multisource online informations
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  
  

Letter A



Abactinal \Ab*ac"ti*nal\ ([a^]b*[a^]k"t[i^]*nal), a. [L. ab + E. actinal.] (Zool.) Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to actinal. "The aboral or abactinal area." --L. Agassiz. [1913 Webster]See also: actinal more...
Abaction \Ab*ac"tion\ ([a^]b*[a^]k"sh[u^]n), n. Stealing cattle on a large scale. [Obs.] [1913 Webster] more...
Abactor \Ab*ac"tor\ (-t[~e]r), n. [L., fr. abigere to drive away; ab + agere to drive.] (Law) One who steals and drives away cattle or beasts by herds or droves. [Obs.] [1913 Webster] more...
Abaculus \A*bac"u*lus\ ([.a]b*[a^]k"[-u]*l[u^]s), n.; pl. Abaculi (-l[imac]). [L., dim. of abacus.] (Arch.) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. --Fairholt. [1913 Webster]See also: Abaculi more...
Abaculus \A*bac"u*lus\ ([.a]b*[a^]k"[-u]*l[u^]s), n.; pl. Abaculi (-l[imac]). [L., dim. of abacus.] (Arch.) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. --Fairholt. [1913 Webster]See also: Abaculi more...
Abacus \Ab"a*cus\ ([a^]b"[.a]*k[u^]s), n.; E. pl. Abacuses; L. pl. Abaci (-s[imac]). [L. abacus, abax, Gr. 'a`bax] 1. A table or tray strewn with sand, anciently used for drawing, calculating, etc. [Obs.] [1913 Webster] 2. A calculating table or frame; an instrument for performing arithmetical calculations by balls sliding on wires, or counters in grooves, the lowest line representing units, the second line, tens, etc. It is still employed in more...