(||Ec*thlip"sis) n. [L., fr. Gr. fr. to squeeze out.]

1. The dropping out or suppression from a word of a consonant, with or without a vowel.

2. (Lat. Pros.) The elision of a final m, with the preceding vowel, before a word beginning with a vowel.

(||Ec`tho*re"um) n.; pl. Ecthorea [NL., fr. Gr. to leap out; ek out + to leap, dart.] (Zoöl.) The slender, hollow thread of a nettling cell or cnida. See Nettling cell. [Written also ecthoræum.]

(||Ec*thy"ma) n.; pl. Ecthymata [NL., fr. Gr. pimple, fr. to break out.] (Med.) A cutaneous eruption, consisting of large, round pustules, upon an indurated and inflamed base. Dunglison.

(Ec"to-) See Ect-.

(Ec"to*blast) n. [Ecto- + Gr. bud, germ.] (Biol.) (a) The outer layer of the blastoderm; the epiblast; the ectoderm. (b) The outer envelope of a cell; the cell wall. Agassiz.

(||Ec`to*bron"chi*um) n.; pl. Ectobronchia [NL. See Ecto-, and Bronchia.] (Anat.) One of the dorsal branches of the main bronchi in the lungs of birds.

(Ec`to*cu*ne"ri*form Ec`to*cu"ni*form) n. [Ecto- + cuneiform, cuniform.] (Anat.) One of the bones of the tarsus. See Cuneiform.

(Ec"to*cyst) n. [Ecto- + Gr. bladder.] (Zoöl.) The outside covering of the Bryozoa.

(Ec"to*derm) n. [Ecto- + - derm.] (Biol.) (a) The outer layer of the blastoderm; epiblast. (b) The external skin or outer layer of an animal or plant, this being formed in an animal from the epiblast. See Illust. of Blastoderm.

  By PanEris using Melati.

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