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sub |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sub- \Sub-\ [L. sub under below; akin to Gr ?, Skr. upa to on under over Cf {Hypo-}, {Super-}.] 1. A prefix signifying under below, beneath, and hence often in an inferior position or degree, in an imperfect or partial state, as in subscribe, substruct, subserve, subject, subordinate, subacid, subastringent, subgranular, suborn. Sub- in Latin compounds often becomes sum- before m, sur before r, and regularly becomes suc-, suf-, sug-, and sup- before c, f, g, and p respectively. Before c, p, and t it sometimes takes form sus- (by the dropping of b from a collateral form subs-). 2. (Chem.) A prefix denoting that the ingredient (of a compound) signified by the term to which it is prefixed,is present in only a small proportion, or less than the normal amount; as subsulphide, suboxide, etc Prefixed to the name of a salt it is equivalent to basic; as subacetate or basic acetate. [Obsoles.] From Webster's Revised Unabridged Dictionary (1913) [web1913]: Sub \Sub\, n. A subordinate; a subaltern. [Colloq.] From WordNet r 1.6 [wn]: sub n 1: a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States [syn: {bomber}, {grinder}, {hero}, {hero sandwich}, {hoagie}, {hoagy}, {Cuban sandwich}, {Italian sandwich}, {poor boy}, {submarine}, {submarine sandwich}, {torpedo}, {wedge}, {zep}] 2: a submersible warship usually armed with torpedos [syn: {submarine}, {pigboat}, {U-boat}] v : be a substitute [syn: {substitute}, {stand in}, {fill in}] From The Free On-line Dictionary of Computing (13 Mar 01) [foldoc]: SUB {Substitute}
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