Algae ( or ; singular alga, Latin for " seaweed ") are a very large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length.

The Phaeophyceae or brown algae ( singular: alga ), is a large group of mostly marine multicellular algae, including many seaweeds of colder Northern Hemisphere waters.

The green algae ( singular: green alga ) are the large group of algae from which the embryophytes ( higher plants ) emerged.

The singular uncompromising force of their revolt against the cult of restraint is illustrated by their refusal to dance in a public place.

This is our singular goal.

Then in 2 we show that any line involution with the properties that ( A ) It has no complex of invariant lines, and ( B ) Its singular lines form a complex consisting exclusively of the lines which meet a twisted curve, is necessarily of the type discussed in 1.

Hence the totality of singular lines is the T order complex of lines which meet Aj.

Since the complex of singular lines is of order K and since there is no complex of invariant lines, it follows from the formula Af that the order of the involution is Af.

We now observe that the case in which **zg is a Af curve on a quadric is impossible if the complex of singular lines consists exclusively of the lines which meet Aj.

However, if there is no additional complex of singular lines, the order of the image regulus of a pencil is precisely Af.

The fundamental difficulty of which the Selden case was `` a striking ( though not singular ) example '', concluded Hough, `` will remain as long as testimony is taken without any authoritative judicial officer present, and responsible for the maintenance of discipline, and the reception or exclusion of testimony ''.

In addition to the Yerevan administrative region, Armenia is split into ten administrative divisions, known as marzer ( singular: marz ); these are Ararat, Aragatsotn, Armavir, Gegharkunik, Kotayk, Lori, Shirak, Syunik, Tavush, and Vayots Dzor.

In a great majority of instances the name Abrasax is associated with a singular composite figure, having a Chimera-like appearance somewhat resembling a basilisk or the Greek primordial god Chronos ( not to be confused with the Greek titan Cronus ).

As-gard, he conjectures, is the home of the Æsir ( singular Ás ) in As-ia, making a folk etymological connection between the three " As -"; that is, the Æsir were " men of Asia ", not gods, who moved from Asia to the north and some of which intermarried with the peoples already there.

In BrE, collective nouns can take either singular ( formal agreement ) or plural ( notional agreement ) verb forms, according to whether the emphasis is on the body as a whole or on the individual members respectively ; compare a committee was appointed with the committee were unable to agree.

Despite exceptions such as usage in The New York Times, the names of sports teams are usually treated as plurals even if the form of the name is singular.

The moment of representation is when the hero, flushed with conquest, displays the head of the " snaky Gorgon ", whilst the right hand grasps a sword of singular device.

In English usage, the genitive " of Æsir faith " is often used on its own to denote adherents ( both singular and plural ).

Hine, a true accusative masculine third person singular pronoun, is attested in some northern English dialects as late as the 19th century.

The Western suffix-e is from the Classical singular and the Eastern suffix-its is from the Classical plural ; both have been generalized for singular and plural in the dialects that use them.

The Boii ( Latin plural, singular Boius ; Greek ) were one of the most prominent ancient Celtic tribes of the later Iron Age, attested at various times in Cisalpine Gaul ( northern Italy ), Pannonia ( Hungary and its western neighbours ), in and around Bohemia, and Transalpine Gaul.

On the other hand, French lait and Spanish leche ( both meaning " milk ") are less obviously cognates of Ancient Greek gálaktos ( genitive singular of gála, " milk "), a relationship more evidently seen through the intermediate Latin lac " milk ", as well as the English word lactic and other terms borrowed from Latin.

While masculine, feminine, and neuter genders are recognized, nouns do not normally decline for gender, though some nouns, especially Latin words and personal names, exist in multiple forms corresponding to different genders: Alumnus ( male, singular )/ Alumna ( female, singular ); Andrew / Andrea, Paul / Paula, etc.

An example of a Latin noun declension is given below, using the singular forms of the word homo ( man ), which belongs to Latin's third declension.

Episcopi vagantes ( singular: episcopus vagans, Latin for wandering bishops or stray bishops ) are persons who have been consecrated as Christian bishops outside the structures and canon law of the established churches, and who are not in communion with any generally recognized diocese.

: This is the nominative singular form of the Latin noun.

: Latin accusative singular form, e. g. " to the church ".

The < nowiki >< nowiki ></ nowiki > word bears a singular resemblance in sound to its < nowiki > Latin language | Latin < nowiki ></ nowiki > synonym vitula, vidula, whence < nowiki >< nowiki ></ nowiki > viole, Pr.

An example of a Latin case inflection is given below, using the singular forms of the Latin term for " sailor ," which belongs to Latin's first declension class.

" Incunable " is the anglicised singular form of " incunabula ", Latin for " swaddling clothes " or " cradle " which can refer to " the earliest stages or first traces in the development of anything.

Here elenchi is the genitive singular of the Latin noun elenchus, which is from the Greek elenchos, meaning an argument of disproof or refutation.

The word monarch is derived from the Greek μονάρχης ( from μόνος, " one / singular ," and ἄρχων, " leader / ruler / chief ") through the Latin: monarcha ( mono: " one " + arch " chief ") which referred to a single, at least nominally, absolute ruler.

In the spelling of Hebrew and some other Semitic languages, matres lectionis ( Latin " mothers of reading ", singular form: mater lectionis, Hebrew: א ֵ ם ק ְ ר ִ יא ָ ה mother of reading ), refers to the use of certain consonants to indicate a vowel.

Italian, for example, has a group of nouns deriving from Latin neuter nouns that acts as masculine in the singular but feminine in the plural: il braccio / le braccia ; l ' uovo / le uova.

The singular politic first attested in English 1430 and comes from Middle French politique, in turn from Latin politicus, which is the latinisation of the Greek πολιτικός ( politikos ), meaning amongst others " of, for, or relating to citizens ", " civil ", " civic ", " belonging to the state ", in turn from πολίτης ( polites ), " citizen " and that from πόλις ( polis ), " city ".

Before its establishment as a Republic, Rome was ruled by kings ( Latin reges, singular rex ).

Such sling-bullets come in a number of shapes including an ellipsoidal form closely resembling an acorn-this could be the origin of the Latin word for a leaden sling-bullet: glandes plumbeae ( literally leaden acorns ) or simply glandes ( meaning acorns, singular glans ).

Latin Annus ( a 2nd declension masculine noun ; annum is the accusative singular ; anni is genitive singular and nominative plural ; anno the dative and ablative singular ) is from a PIE noun, which also yielded Gothic aþnam " year ".

Perhaps the word may be included among those mysterious expressions discussed by Adolf von Harnack, “ which belong to no known speech, and by their singular collocation of vowels and consonants give evidence that they belong to some mystic dialect, or take their origin from some supposed divine inspiration .”

In his work, Meinhof looked at noun classes with all Bantu languages having at least 10 classes and with 22 classes of nouns existing throughout the Bantu languages, though his definition of noun class differs slightly from the accepted one, considering the plural form of a word as belonging to a different class from the singular form ( thus leading, for example, to consider a language like French as having four classes instead of two ).

" The word " mathematics " may have originally been plural in concept, referring to mathematic endeavors, but metonymic shift — that is, the shift in concept from " the endeavors " to " the whole set of endeavors "— produced the usage of " mathematics " as a singular entity taking singular verb forms.

In monotheistic faiths, the word divinity is often used to refer to the singular God central to that faith.

The word despotism means to " rule in the fashion of a despot " and does not necessarily require a singular " despot ", an individual.

Middle High German has a feminine singular elbe and a plural elbe, elber, but the word becomes very rare, mostly surviving in the adjective elbisch, and is replaced by the English form elf, elfen via 18th century German translations of Shakespeare's A Midsummernight's Dream.

Yet another Spanish / English false friend is " America / América ", where the word " America " in English, and singular, is usually used to talk about the United States of America, and the word " América " in Spanish is used to talk about the whole American continent.

The word " grits " is one of the few words that may properly be used as either singular or plural in writing or speech and can be used with a singular or plural verb.

The word Gulag was not often used in Russian — either officially or colloquially ; the predominant terms were the camps () and the zone (), usually singular — for the labor camp system and for the individual camps.

Other forms of the word include groks ( present third person singular ), grokked ( past participle ) and grokking ( present participle ).

Robert A. Heinlein originally coined the term grok in his 1961 novel Stranger in a Strange Land as a Martian word that could not be defined in Earthling terms, but can be associated with various literal meanings such as " water ", " to drink ", " life ", or " to live ", and had a much more profound figurative meaning that is hard for terrestrial culture to understand because of its assumption of a singular reality.

The seventh day of the Sukkot is called Hoshanah Rabbah, the " Great Hoshanah " ( singular of Hoshanot and the source of the English word hosanna ).

In Greek, the word is καλλίστῃ ( the dative singular of the feminine superlative of καλος, beautiful ).

A myriad is primarily a singular cardinal number ; just as the " thousand " in " four thousand " is singular ( one does not write " four thousands people ") the word myriad is used in the same way: " there are four myriad people outside ".

In this case, the analogy applies both to the form of the words and to their meaning: in each pair, the first word means " one of X ", while the second " two or more of X ", and the difference is always the plural form-s affixed to the second word, signaling the key distinction between singular and plural entities.