A Lewis acid is a species that accepts a pair of electrons from another species ; in other words, it is an electron pair acceptor.

" Generally, comics are not allowed to include such words as " damn ", " sucks ", " screwed " and " hell ", although there have been exceptions such as the September 22, 2010 Mother Goose and Grimm in which an elderly man says, " This nursing home food sucks ," and a pair of Pearls Before Swine comics from January, 2011 with a character named Ned using the word " crappy ".

The name derives from the fact that the words CLABBERS and SCRABBLE form an anagram pair.

In mathematics, a directed set ( or a directed preorder or a filtered set ) is a nonempty set A together with a reflexive and transitive binary relation ≤ ( that is, a preorder ), with the additional property that every pair of elements has an upper bound: In other words, for any a and b in A there must exist a c in A with a ≤ c and b ≤ c.

Another example is the English pair of words " assist " and " attend ", whose meanings in Spanish are just the opposite.

Therefore, a pair of words whose earlier forms are distinct, yet similar, as far back as they have been traced, could in theory have come from a common root in an even earlier language, making them real cognates.

( In this image, Kingsley's artist plays with the words " large pair of white spectacles ", intended to mean the natural white patches on the bird's face.

It simplified usual Forth definer and compiler words creation, replacing the CREATE .. DOES >, creation pair with:

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.

Some languages have a very limited set of numerals, and in some cases they arguably do not have any numerals at all, but instead use more generic quantifiers or number words, such as ' pair ' or ' many '.

Oxymora are not always a pair of words ; they can also be devised in the meaning of sentences or phrases.

To take another example, the minimal pair tip and dip illustrates that in English, and belong to separate phonemes, and ; since these two words have different meanings, English speakers must be conscious of the distinction between the two sounds.

Steven Pinker proposes the word they be considered to be a pair of homonyms — two different words with the same spelling and sound.

The pair apologise for their angry words.

An initial morphism from X to U is an initial object in the category of morphisms from X to U. In other words, it consists of a pair ( A, φ ) where A is an object of D and φ: X → U ( A ) is a morphism in C, such that the following initial property is satisfied:

In other words, it consists of a pair ( A, φ ) where A is an object of D and φ: U ( A ) → X is a morphism in C, such that the following terminal property is satisfied:

For example, the extension of a function is a set of ordered pairs that pair up the arguments and values of the function ; in other words, the function's graph.

In other words, p is not part of a twin prime pair.

The double precision number was stored in memory in an even-odd pair of consecutive words ; the sign and exponent in the second word were ignored when the number was used as an operand.

An example of an incompatible pair of words is cat: dog:

In some accents, various sounds have merged in that they are no longer distinctive, and thus words that differ only by those sounds in an accent that maintains the distinction ( a minimal pair ) are homophonous in the accent with the merger.

For example, groan / grone and crane / crain are pseudo-homophone pairs, whereas plane / plain is a homophone pair since both letter strings are recognised words.

Shaw and Skorich headed a group of players, coaches and team officials who received an engrossed copy of an official city citation and a pair of silver cufflinks shaped like a football.

* Charles Dickens used Selkirk as a simile in Chapter Two of The Pickwick Papers: " Colonel Builder and Sir Thomas Clubber exchanged snuff – boxes, and looked very much like a pair of Alexander Selkirks — ' Monarchs of all they surveyed.

This means that opaque ( if not minimal ) contrasts can occur in languages like Italian ( with the i-like sound of piede ' foot ', appearing in the nucleus:, and that of piano ' slow ', appearing in the syllable onset: ) and Spanish ( with a near minimal pair being abyecto ' abject ' and abierto ' opened ').

( Expressed more technically, in each case the pair ( m, n ) decreases in the lexicographic order on pairs, which is a well-ordering, just like the ordering of single non-negative integers ; this means one cannot go down in the ordering infinitely many times in succession.

" It rolls in like a storm, drums galloping over the horizon into ear shot, guitar riffs slicing with terse dexterity while a tale about a pair of vagabonds unfolds ," writes Kot.

Two is " snake eyes ," because the two ones that comprise it look like a pair of small, beady eyes.

These engines had two extra cylinders for forced induction, so they really appeared like V6 engines but without spark plugs on the front cylinder pair.

Its most notable feature are its long, narrow, upcurved jaws with a pointed tip, making the animal look like a pair of flying tweezers.

Danny sang while his friend Louis played the guitar ; the pair eked out a living like this for a while.

Hyenas have an additional pair of ribs than canids, and their tongues are rough like those of felids and viverrids.

The popularized version of a scissor kick is, while lying down, or jumping, the kicker brings both legs to both sides of the opponent's legs or to their body and head, then brings both in as a take down ( as the name states, leg motions are like that of a pair of scissors ).

One of the smallest in marsupials with no more than 0. 2 % of its body weight, about 40 % of the cranial cavity is filled with cerebrospinal fluid, while the brain's two cerebral hemispheres are like " a pair of shrivelled walnut halves on top of the brain stem, in contact neither with each other nor the bones of the skull.

Some European languages, like Russian and Irish, contrast a palatalized lateral – rhotic pair with an unpalatalized ( or velarized ) set ( e. g. in Russian ).

In phonetics, this pair, like any other, differs in a number of ways.

It is possible that an opponent could have as little as something like 7 ♣ 9 ♣ ( making a pair of sevens ); in this case even catching any of the three remaining aces or tens will give the player a pair to beat the opponent's, so those are even more potential outs.

More specifically, a player should expect an average hand to be something like a medium-to-high pair behind in the five-card hand and an ace-high in front.

With cards like J-J-4-4-A-Q-5 a player can consider playing A-Q and J-J-4-4-5-since A-Q in front is not much worse than 4-4 ; however, two pair behind is much better than a single pair of jacks.

* The airline ticketing agent who checked in Mohamed Atta, the purported leader of the September 11 attacks, and a companion, would afterwards say that looking at the pair his first reaction was to think, " If this doesn't look like two Arab terrorists, I've never seen two Arab terrorists.

For example, if a closed string splits, its worldsheet will look like a single pipe splitting ( or connected ) to two pipes ( often referred to as a pair of pants — see drawing at right ).

Although it is called the Trinidad & Tobago Regiment, the TTR is in fact structured more like a light infantry brigade, with a pair of infantry battalions, plus engineering and logistic support units:

Universal constructions are more general than adjoint functor pairs: a universal construction is like an optimization problem ; it gives rise to an adjoint pair if and only if this problem has a solution for every object of C ( equivalently, every object of D ).