| dig | 1. To turn up, or delve in, (earth) with a spade or a hoe; to open, loosen, or break up (the soil) with a spade, or other sharp instrument; to pierce, open, or loosen, as if with a spade. "Be first to dig the ground." (Dryden) 2. To get by digging; as, to dig potatoes, or gold. 3. To hollow out, as a well; to form, as a ditch, by removing earth; to excavate; as, to dig a ditch or a well. 4. To thrust; to poke. "You should have seen children . . . Dig and push their mothers under the sides, saying thus to them: Look, mother, how great a lubber doth yet wear pearls." (Robynson (More's Utopia)) To dig down, to undermine and cause to fall by digging; as, to dig down a wall. To dig from, out of, out, or up, to get out or obtain by digging; as, to dig coal from or out of a mine; to dig out fossils; to dig up a tree. The preposition is often omitted; as, the men are digging coal, digging iron ore, digging potatoes. To dig in, to cover by digging; as, to dig in manure. Origin: Dug or Digged; Digging. Digged is archaic] [OE. Diggen, perh. The same word as diken, dichen (see Dike, Ditch); cf. Dan. Dige to dig, dige a ditch; or (?) akin to E. 1st dag. 1. To work with a spade or other like implement; to do servile work; to delve. "Dig for it more than for hid treasures." (Job III. 21) "I can not dig; to beg I am ashamed." (Luke xvi. 3) 2. <chemical> To take ore from its bed, in distinction from making excavations in search of ore. 3. To work like a digger; to study ploddingly and laboriously. Source: Websters Dictionary (01 Mar 1998) |
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| digametic | Having sex gametes of contrasting types; human males are heterogametic. Synonym: digametic. Origin: hetero-+ G. Gametikos, connubial (05 Mar 2000) |
| digastric | <anatomy> Having two bellies; biventral; applied to muscles which are fleshy at each end and have a tendon in the middle, and especially. To the muscle which pulls down the lower jaw. Pertaining to the digastric muscle of the lower jaw; as, the digastric nerves. Origin: Gr. = twice + belly: cf. F. Digastrique. Source: Websters Dictionary (01 Mar 1998) |
| digastric branch of facial nerve | <anatomy, nerve> Branch of the facial nerve innervating the posterior belly of the digastric muscle. Synonym: ramus digastricus nervi facialis. (05 Mar 2000) |
| digastric fossa | A hollow on the posterior surface of the base of the mandible, on either side of the median plane, giving attachment to the anterior belly of the digastric muscle. Synonym: fossa digastrica. (05 Mar 2000) |
| digastric groove | The groove medial to the mastoid process of the temporal bone from which the digastric muscle originates. Synonym: incisura mastoidea, digastric groove, digastric notch, mastoid notch. (05 Mar 2000) |
| digastric muscle | <anatomy> One of the suprahyoid group of muscles consisting of two bellies united by a central tendon which is connected to the body of the hyoid bone; origin, by posterior belly from the digastric groove medial to the mastoid process; insertion, by anterior belly into lower border of mandible near midline; action, elevates the hyoid when mandible is fixed; depresses the mandible when hyoid is fixed; nerve supply, posterior belly from facial, anterior belly by nerve to the mylohyoid from the mandibular division of trigeminal, a muscle with two fleshy bellies separated by a fibrous insertion. Synonym: musculus digastricus, biventer mandibulae, musculus biventer mandibulae, two-bellied muscle. (05 Mar 2000) |
| digastric notch | The groove medial to the mastoid process of the temporal bone from which the digastric muscle originates. Synonym: incisura mastoidea, digastric groove, digastric notch, mastoid notch. (05 Mar 2000) |
| digastric triangle | The triangle of the neck bounded by the mandible and the two bellies of the digastric muscle; it contains the submandibular gland. Synonym: trigonum submandibulare, digastric triangle, submaxillary triangle. (05 Mar 2000) |
| digastricus | Synonym: digastric. 2. Denoting the musculus digastricus. Origin: L. (05 Mar 2000) |
| digenea | <zoology> A division of Trematoda in which alternate generations occur, the immediate young not resembling their parents. Origin: NL, fr. Gr. = twice + race, offspring. (11 Mar 1998) |
| digenesis | <biology> The faculty of multiplying in two ways; by ova fecundated by spermatic fluid, and asexually, as by buds. See Parthenogenesis. Origin: Pref. Di- + genesis. Source: Websters Dictionary (01 Mar 1998) |
| digenetic | 1. Pertaining to or characterised by digenesis. Synonym: heteroxenous. 2. Pertaining to the digenetic fluke. (05 Mar 2000) |
| digenous | <biology> Sexually reproductive. Digenous reproduction. <biology> Same as Digenesis. Origin: Pref. Di- + -genous. Source: Websters Dictionary (01 Mar 1998) |
| DiGeorge, Angelo | <person> U.S. Paediatrician, *1921. See: DiGeorge syndrome. (05 Mar 2000) |