11-letter words containing sp
- sperm donor — a man who supplies sperm to be used in an artificial fertilization process
- sperm whale — a large, square-snouted whale, Physeter catodon, valued for its oil and spermaceti: now reduced in number and rare in some areas.
- spermaphyte — the placenta of a plant
- spermatheca — a small sac or cavity in female or hermaphroditic invertebrates used to store sperm for fertilizing eggs, as in the queen bee.
- spermatoxic — (of a substance) toxic to spermatozoa.
- spermatoxin — a substance toxic to spermatozoa.
- spermatozoa — one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
- spermicidal — that kills sperm
- spermophile — any of various burrowing rodents of the squirrel family, especially of the genus Spermophilus (or Citellus), sometimes sufficiently numerous to do much damage to crops, as the ground squirrels and susliks.
- spermophyte — spermatophyte.
- spermotoxic — (of a substance) toxic to spermatozoa.
- spermotoxin — a substance toxic to spermatozoa.
- spessartite — Mineralogy. a yellow or red manganese-aluminum garnet, used as a semiprecious gem.
- sphaeridium — a round body found on sea urchins
- sphagnology — the study of sphagna
- spheroidize — to turn or be turned into spheroids
- spherometer — an instrument for measuring the curvature of spheres and curved surfaces.
- spheroplast — a Gram-negative bacterial cell with a cell wall that has been altered or is partly missing, resulting in a spherical shape.
- sphingosine — a basic unsaturated amino alcohol, C 1 8 H 3 3 (OH) 2 NH 2 , produced by the hydrolysis of sphingomyelin or gangliosides.
- sphinx moth — hawk moth.
- sphragistic — of or relating to seals or signet rings.
- sphygmogram — a tracing or diagram produced by a sphygmograph.
- sphygmology — the study and examination of the pulse
- spice route — an ancient trade route followed by merchants, importers and exporters trading in exotic spices such as cloves and cinnamon
- spiculation — formation into spicules.
- spider crab — any of various crabs of the family Majidae, having long, slender legs and a comparatively small, triangular body.
- spider hole — a foxhole with a camouflaged lid or cover in which a sniper hides
- spider lily — any of several plants having lilylike flowers with narrow petals, as those belonging to the genera Crinum, Hymenocallis, and Lycoris, of the amaryllis family.
- spider mite — any of numerous, variously colored web-spinning mites of the family Tetranychidae, many of which are pests of garden plants and fruit trees.
- spider vein — one of a radiating network of dilated capillaries on the skin.
- spider wasp — any of certain wasps, especially of the family Pompilidae, that provision their nests with paralyzed spiders.
- spike heath — a Eurasian evergreen shrub, Bruckenthalia spiculifolia, of the heath family, having narrow leaves and bell-shaped, pink flowers, growing in gritty soil.
- spike heels — Spike heels are women's shoes with very high narrow heels.
- spin a yarn — If you say that someone spins a yarn, you mean that they tell a story that is not true, often an interesting or imaginative one.
- spin bowler — a bowler who specializes in bowling balls with a spinning motion
- spin doctor — Slang. a press agent skilled at spin control.
- spin-drying — a technique for extracting water from clothes, linen, etc, by spinning them in a perforated drum
- spinachlike — resembling or characteristic of spinach
- spinal cord — the cord of nerve tissue extending through the spinal canal of the spinal column.
- spindlelegs — (used with a plural verb) long, thin legs.
- spinel ruby — ruby spinel.
- spiniferous — (esp of plants) bearing spines or thorns
- spinmeister — spin doctor.
- spinsterdom — the state of being a spinster
- spinsterial — relating to a spinster
- spinsterian — relating to a spinster
- spinsterish — Disparaging and Offensive. a woman still unmarried beyond the usual age of marrying.
- spiny-rayed — spiny-finned.
- spiral gear — a type of helical gear used for transmitting power between shafts that are at an angle to each other.
- spiraliform — having or resembling spiral lines