* – smooth ( or soft ) breathing ( spiritus lenis ): lack of aspiration

These symbols were the origin of the rough breathing and smooth breathing diacritics that became part of classical Greek orthography.

In chemistry, the letter H as symbol of enthalpy sometimes is said to be a Greek eta, but since enthalpy comes from ἐνθάλπος, which begins in a smooth breathing and epsilon, it is more likely a Latin H for ' heat '.

By the time lower case letters, iota subscripts, accent marks, rough or smooth breathing marks over letters, and punctuation appeared in written Greek in the Middle Ages, Attic Greek writings had not been produced by native speakers for some centuries.

Note: for the h sound, see rough breathing and smooth breathing.

The absence of an sound is marked by the smooth breathing.

Instead, the consonant before the contracted vowel changes to the aspirated equivalent ( i. e., π → φ, τ → θ, κ → χ ), if possible, and the contracted vowel takes the apostrophe or coronis ( identical to the smooth breathing ).

The lymph transport in the thoracic duct is mainly caused by the action of breathing, aided by the duct's smooth muscle and by internal valves which prevent the lymph from flowing back down again.

The smooth breathing (; Modern Greek: psilí ; ) is a diacritical mark used in polytonic orthography.

The smooth breathing ( ) is written as on top of one initial vowel, on top of the second vowel of a diphthong, or to the left of a capital, and also in certain editions on the first of a pair of rhos.

All other Cyrillic-based modern writing systems are based on the Petrine script, so they have never had the smooth breathing.

Coronis, the symbol written over a vowel contracted by crasis, was originally an apostrophe after the letter, but today is usually written as a smooth breathing.

In Unicode, the code points assigned to the smooth breathing are for Greek and for Cyrillic.

In polytonic orthography a rho at the beginning of a word is written with a rough breathing ( equivalent to h ) — rh — and a double rho within a word is written with a smooth breathing over the first rho and a rough breathing over the second — rrh — apparently reflecting an aspirated or voiceless pronunciation in Ancient Greek, hence the various Greek-derived English words which start with rh or contain rrh.

Modern Church Slavonic orthography uses smooth breathing sign ( Greek and Church Slavonic: psili, Latin: spiritus lenis ) above the initial vowels ( just for tradition, there is no difference in pronunciation ).

My eyes were so bleary I could barely see him but there he was, a little smooth olivefaced guy in a new spring overcoat and a taffycolored fedora.

He was smooth and civil spoken but it seemed to me there was something tough under his selfeffacing manner.

`` Connections '' was all he would say with that smooth hurt smile when I put leading questions.

( 1 ) When an object was placed in the patient's hand, he had no difficulty determining whether it was warm or cold, sharp or blunt, rough or smooth, flexible, soft, or hard ; ;

special equipment required for registering respiration and for recording the contraction of smooth muscles under various conditions was developed by the Instruments Section ( Victor Jackman, W. C. Barnes, J. F. Reiss ) ; ;

This recommendation was based on the fact that the hymen was not the only barrier to smooth consummation of the sex act.

Instead of the usual straggling privet hedges and patches of bare dirt in most small-town squares, the building was hemmed in by a semitropical growth of camellias and azaleas and a smooth lawn the improbably bright-green shade of florist's grass.

He knew it was there, knew also what it was about, but he wouldn't raise a finger except to smooth his yellow dog's back.

He was a beautiful boy, really, with finely-spun blonde hair and a smooth and still effeminate face, and his eyelashes were long and dark and brushlike, and his eyes were blue.

The normal method of calculation in ancient Rome, as in Greece, was by moving counters on a smooth table.

In general, pottery was used for cooking or storage in the region was unpainted gray, either smooth or textured.

It was not a smooth process, however, and the seaway would periodically rise to cover parts of the region throughout Horseshoe Canyon times before finally receding altogether in the years after.

This simple design gave very nice smooth linear control and was highly reliable.

This class of device was used for smooth control of large motors, primarily for elevators and naval guns.

Bicycles and horse buggies were the two mainstays of private transportation just prior to the automobile, and the grading of smooth roads in the late 19th century was stimulated by the widespread advertising, production, and use of these devices.

Some believed that Hague had been unlucky, although most considered him to be a talented orator and an intelligent statesman, he had come up against the charismatic Tony Blair in the pomp of his political career, and it was no surprise that little progress was made in reducing Labour's majority after a relatively smooth parliament.

Like his father, Bayezid II was a patron of western and eastern culture and unlike many other Sultans, worked hard to ensure a smooth running of domestic politics, which earned him the epithet of " the Just ".

Another theory is that the standard longhair dachshund was developed by breeding smooth dachshunds with various land and water spaniels.

There is a possibility the wire-haired dachshund was a cross between the smooth dachshund and various hard-coated terriers and wire-haired pinschers, such as the Schnauzer, the Dandie Dinmont Terrier, the German Wirehaired Pointer, or perhaps the Scottish Terrier.

Even smooth walls induce some drag into the airflow, and so the object being tested is usually kept near the center of the tunnel, with an empty buffer zone between the object and the tunnel walls.

Usually everything went fairly smooth until the subject of politics was brought up, and then it was not at all unusual for one well-known matron to leave the store in a “ huff .” She and her husband always kept separate accounts, and quite a bit of bickering was done between them, regarding who would by what, and how much.

This kept the vibrations from the rider, giving a smooth comfortable ride.

During the second half of the 19th century, it was found that the equation related to the conservation of energy must at all times be kept, while the adiabatic condition is a consequence of the fundamental laws in the case of smooth solutions.

Overall, the exterior look kept the smooth, aerodynamic style of previous Studebakers but moved up to date.

A cheese fondue mixture should be kept warm enough to keep the fondue smooth and liquid but not so hot that it burns.

This release has kept many of the enhancements from the PlayStation, such as the slightly altered immigrant town, but has received enhanced upgrades to smooth the graphics further, and improved sound.

The main content of the Act has been kept intact for the purpose of constant corporate debt restructuring through market functions and promotion of speedy and smooth corporate restructuring, while some minor provisions were modified from time to time.

It is polished by application to the san ( polishing wheel ), wetted with water only, then by being kept wet with water, and rubbed with a piece of wati ( smooth pottery fragment ), and lastly by rubbing very finely pounded burnt sang-i-yesham on it.

Checkering was kept to a minimum, and reserved for the frontstrap and backstrap, as opposed to the grip panels, which were smooth to prevent the drawing hand from catching prematurely on draw, thereby minimizing the risk of any misalignment of the pistol during presentation, aiming, and firing.

For both the attacker and receiver, posture must be kept proper and footwork and movement should be smooth for this practice to facilitate the weeding out of bad habits.