10-letter words starting with spe
- spenserian — of or characteristic of Spenser or his work.
- spent fuel — nuclear fuel that has been irradiated in a nuclear reactor to the point where it is no longer useful in sustaining a nuclear reaction
- spent gnat — an angler's name for the spinner of various mayflies, esp Ephemeris danica and E. vulgata, particularly when lying spent on the water surface after mating and egg-laying
- sperm bank — a repository for storing sperm and keeping it viable under scientifically controlled conditions prior to its use in artificial insemination.
- sperm cell — spermatozoon.
- spermaceti — a pearly white, waxy, translucent solid, obtained from the oil in the head of the sperm whale: used chiefly in cosmetics and candles, and as an emollient.
- spermaduct — a spermatic passage found in male animals
- spermarium — the sperm gland
- spermatial — relating to the male reproductive cells of certain red algae and fungi
- spermatium — Botany. the nonmotile male gamete of a red alga.
- spermatoid — resembling sperm.
- spermicide — a sperm-killing agent, especially a commercial birth-control preparation, usually a cream or jelly.
- spermidine — a biogenic polyamine, H 2 N(CH 2) 4 NH(CH 2) 3 NH 2 , formed from putrescine, occurring widely in nature and first identified in semen.
- sperrylite — a mineral, platinum arsenide, PtAs 2 , occurring in minute tin-white crystals, usually cubes: a minor ore of platinum.