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Sigma
n.
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The Greek letter /, /, or / (English S, or s). It originally had the form of the English C.
Sigmodont
n.
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Any one of a tribe (Sigmodontes) of rodents which includes all the indigenous rats and mice of America. So called from the form of the ridges of enamel on the crowns of the worn molars. Also used adjectively.
Sigmoid
a.
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Alt. of Sigmoidal
Sigmoidal
a.
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Curved in two directions, like the letter S, or the Greek /.
Sigmoidally
adv.
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In a sigmoidal manner.
Sign
n.
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That by which anything is made known or represented; that which furnishes evidence; a mark; a token; an indication; a proof.
Sign
n.
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A remarkable event, considered by the ancients as indicating the will of some deity; a prodigy; an omen.
Sign
n.
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An event considered by the Jews as indicating the divine will, or as manifesting an interposition of the divine power for some special end; a miracle; a wonder.
Sign
n.
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Something serving to indicate the existence, or preserve the memory, of a thing; a token; a memorial; a monument.
Sign
n.
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Any symbol or emblem which prefigures, typifles, or represents, an idea; a type; hence, sometimes, a picture.
Sign
n.
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A word or a character regarded as the outward manifestation of thought; as, words are the sign of ideas.
Sign
n.
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A motion, an action, or a gesture by which a thought is expressed, or a command or a wish made known.
Sign
n.
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Hence, one of the gestures of pantomime, or of a language of a signs such as those used by the North American Indians, or those used by the deaf and dumb.
Sign
n.
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A military emblem carried on a banner or a standard.
Sign
n.
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A lettered board, or other conspicuous notice, placed upon or before a building, room, shop, or office to advertise the business there transacted, or the name of the person or firm carrying it on; a publicly displayed token or notice.
Sign
n.
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The twelfth part of the ecliptic or zodiac.
Sign
n.
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A character indicating the relation of quantities, or an operation performed upon them; as, the sign + (plus); the sign -- (minus); the sign of division Ö, and the like.
Sign
n.
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An objective evidence of disease; that is, one appreciable by some one other than the patient.
Sign
n.
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Any character, as a flat, sharp, dot, etc.
Sign
n.
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That which, being external, stands for, or signifies, something internal or spiritual; -- a term used in the Church of England in speaking of an ordinance considered with reference to that which it represents.
Signed
imp. & p. p.
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of Sign
Signing
p. pr. & vb. n.
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of Sign
Sign
n.
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To represent by a sign; to make known in a typical or emblematic manner, in distinction from speech; to signify.
Sign
n.
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To make a sign upon; to mark with a sign.
Sign
n.
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To affix a signature to; to ratify by hand or seal; to subscribe in one's own handwriting.
Sign
n.
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To assign or convey formally; -- used with away.
Sign
n.
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To mark; to make distinguishable.
Sign
v. i.
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To be a sign or omen.
Sign
v. i.
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To make a sign or signal; to communicate directions or intelligence by signs.
Sign
v. i.
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To write one's name, esp. as a token of assent, responsibility, or obligation.