subtiliare

subtiliare [LL], subtilizare [CL subtilis+-izare] 1 to make less dense, thin, rarefy; b (liquid); c (bodily tissue). sensu mediante qui ex ‥ aere ‥ et igne ~atis et eliquatis emergens ‥ capax est spiritus Ailr. An. I 62; in ipsa namque spiritus animalis multum rarefit et ~atur Quaest. Salern. B 32; fumus ‥ ~atus convertitur in flamma T. Sutton Gen. & Corrupt. 143; subtilitas ‥ nascitur per minorem parcium compactionem, ut patet in glacie que calore soluta ~atur Bart. Angl. IV 1; calidum rarefacit et disgregat, partes materie †subtiltiat [l. ~at] atque generat claritatem Upton 99.  b 1157 ~atur [vinum] interdum ut conferat delicatis J. Sal. Ep. 85 (33); humores ~at et consumit Gilb. III 147. 2; quanto plus ~atur elixir et tingitur, tanto abundancius operatur Dastin Ros. 21.  c ad temperandum complecciones et ad ~andum musculos Bacon V 104; cordis una extremitas subtilliata est et ad unum punctum congregata Ps.-Ric. Anat. 21. 2 (intr.) to be subtle, make fine distinctions. b (tr.) to devise subtly. ~are, subtiliter agere Osb. Glouc. Deriv. 564; [modestia necessaria est] in predicatione ubi sit nimia subtilitas ‥ unde ‥ peccatum perpetrat qui nimis ~at T. Chobham Commend. Virt. 182; sic procede usque ad partem 9000 unius gradus vel in infinitum si volueris ~ando Wallingf. Quad. 52; nec dissencient nostri ~antes in signis, qui dicunt se credere quod in sacramento altaris remanet accidens sine subjecto Wycl. Sim. 33; ~antes ‥ redderent ecclesiam perplexam Id. Ver. II 77; 1389 siquis adhuc vellet ~zare sustinendo verba Hostiensis Reg. Heref. 82.  b sibilus ‥ quem ~at demonialis mendacii calliditas serpentina Ad. Marsh Ep. 76.