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‖ synæresis|sɪˈnɪərɪsɪs|
Also syneresis.
[late L. synæresis, a. Gr. συναίρεσις a taking or drawing together, contraction, f. σύν syn-1 + αἱρεῖν to take.]
1. Gram. Contraction, esp. of two vowels into a diphthong or a simple vowel.
1577Peacham Gard. Eloquence E iij, Synæresis, when of two sillables in measuring, there is made but one, as when of this word vertuous, which hath .3. Sillables, we pronounce it with two, thus vertues, and likewyse righteous. 1589Puttenham Engl. Poesie ii. xiv. [xv.] (Arb.) 139 Contracting a sillable by vertue of the figure Syneresis. 1657J. Smith Myst. Rhet. 176 Synæresis..is a contraction of two words or syllables into one. 1712Addison Spect. No. 470 ⁋5 Observing that Synæresis which had been neglected by ignorant Transcribers. 1878G. Conway Versif. 89 Syllables which by reason of elision, or synæresis, or slurring,..have..no effect on the metre.
2. Physical Chem. The contraction of a gel accompanied by the separating out of liquid.
1864T. Graham in Proc. R. Soc. XIII. 336 In the jelly itself, the specific contraction in question, or synæresis, still proceeds. 1937Jrnl. R. Aeronaut. Soc. XLI. 535 The material in tension might be explained by assuming (in accordance with the phenomenon of syneresis) that the solid portion of the isogel is in a state of contraction relative to the less condensed portions. 1974Encycl. Brit. Macropædia IV. 857/2 A flocculated paste, or suspension of very fine particles, often behaves as a gel... The systems are often thixotropic... They show syneresis. |