Definitions for: S

[n] the 19th letter of the Roman alphabet
[n] a unit of conductance equal to the reciprocal of an ohm
[n] the cardinal compass point that is at 180 degrees
[n] an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
[n] 1/60 of a minute; the basic unit of time adopted under the System International d'Unites

Webster (1913) Definition: S ([e^]s),
the nineteenth letter of the English alphabet, is a
consonant, and is often called a sibilant, in allusion to its
hissing sound. It has two principal sounds; one a mere
hissing, as in sack, this; the other a vocal hissing (the
same as that of z), as in is, wise. Besides these it
sometimes has the sounds of sh and zh, as in sure, measure.
It generally has its hissing sound at the beginning of words,
but in the middle and at the end of words its sound is
determined by usage. In a few words it is silent, as in isle,
d['e]bris. With the letter h it forms the digraph sh. See
Guide to pronunciation, [sect][sect] 255-261.

Note: Both the form and the name of the letter S are derived
from the Latin, which got the letter through the Greek
from the Ph[ae]nician. The ultimate origin is Egyptian.
S is etymologically most nearly related to c, z, t, and
r; as, in ice, OE. is; E. hence, OE. hennes; E. rase,
raze; erase, razor; that, G. das; E. reason, F. raison,
L. ratio; E. was, were; chair, chaise (see C, Z, T, and

1. [OE. es, AS. as.] The suffix used to form the plural of
most words; as in roads, elfs, sides, accounts.

2. [OE. -s, for older -th, AS. -[eth].] The suffix used to
form the third person singular indicative of English
verbs; as in falls, tells, sends.

3. An adverbial suffix; as in towards, needs, always, --
originally the genitive, possesive, ending. See -'s.

-'s [OE. -es, AS. -es.] The suffix used to form the
possessive singular of nouns; as, boy's; man's. 's 's
A contraction for is or (colloquially) for has. ``My heart's
subdued.'' --Shak.

Synonyms: atomic number 16, due south, mho, reciprocal ohm, sec, second, siemens, south, sulfur, sulphur

See Also: alphabetic character, brimstone, cardinal compass point, chemical element, conductance unit, element, leap second, letter, letter of the alphabet, millisecond, min, minute, msec, native sulfur, oil of vitriol, Roman alphabet, sulfide, sulfuric acid, sulphide, sulphuric acid, time unit, unit of time, vitriol

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