In a message dated 11/10/2003 6:50:15 PM US Mountain Standard Time, mam at theworld.com writes: Plural is "hypotheses", with a long "ee" in the last syllable: high - POTH - uh - seez -- Dr. Whom, Consulting Linguist, Grammarian, Orthoepist, and Philological Busybody a.k.a. Mark A. Mandel Yes, but what does Dr. Eszterhazy think? tal