diphthong at i on (dif or dipt hong gash on)

[= F. diphthong a is on; as * diphthong ate, equiv. to diphthongize, diphthong + -ate2: see- ation.] In philol., the formation of a diphthong; the conversion of a simple vowel into a diphthong by adding another vowel: as, Greek φαίνειν, from root * φαν; French rien, from Latin rem; Italian fuoco, from Latin focus, and the like. diphthongic (dif or dip-thông'ik), a. [ thong + of a diphthong. diphthongization (dif "- or dip" thông-i-zā'shon), n. n. [ The diphthongization of è into ie. Diphyidæ (di-fi'i-dē), n. pl. [NL., IMG:content-2694.png:[merged small][merged small][merged small][merged small][ocr errors][merged small] A. Diphyes appendiculata: a, hydranths and hydrophyllia on the hydrosoma or cœnosarc; 6, proximal nectocalyx; c, aperture of distal nectocalyx; d, soma to cyst; e, the prolongation of distal nectocalyx, by which it is attached to the hydrosoma; f, point of attachment of the hydrosoma in the hydræcium of the proximal nec to calyx. B. Distal nectocalyx, with a bristle, a, through the canal tra versed by the hydrosoma in A. C. Extremity of distal nectocalyx, with its muscular velum. (All slightly enlarged.) pair of large swimming-bells or nectocalyces opposite each other on the upper part of the stem. It is represented by the genera Diphyes and Abyla. (See extract under diphyid.) Also Diphydæ, Diphydes.Monogastric Diphyidæ, or Diphyde. See extract diphyzoöid.