12-letter words containing s, e, c, i, o, n
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- rock jasmine — any of several alpine plants belonging to the genus Androsace, of the primrose family, having tufted leaves often in basal rosettes, and umbels of pink, red, purple, or white flowers.
- rose campion — a plant, Lychnis coronaria, of the pink family, having reddish purple flowers, and leaves covered with whitish down.
- saffron rice — a dish made from white rice and flavoured with the spice saffron
- sanctionable — authoritative permission or approval, as for an action.
- sapindaceous — belonging to the Sapindaceae, the soapberry family of plants.
- scapegoating — the act or practice of assigning blame or failure to another, as to deflect attention or responsibility away from oneself.
- scatteration — the act of scattering.
- scenographic — the art of representing objects in accordance with the rules of perspective.
- schizogenous — schizogenetic.
- schizophrene — a person with schizophrenia or one who tends toward schizophrenia
- schoenheimer — Rudolf [roo-dolf;; German roo-dawlf] /ˈru dɒlf;; German ˈru dɔlf/ (Show IPA), 1898–1941, U.S. biochemist, born in Germany.
- schooner rig — a rig in which the mainmast is taller than the foremast
- scitamineous — of or relating to the Scitimanae order of plants, which includes the ginger and banana plants
- scolopendrid — any myriapod of the order Scolopendrida, including many large, poisonous centipedes.
- scorekeeping — an official of a sports contest who keeps record of the score.
- scutellation — a scutellate state or formation; a scaly covering, as on a bird's foot.
- sea crossing — a journey by sea from one coast to another
- sea scorpion — scorpionfish.
- secessionism — a person who secedes, advocates secession, or claims secession as a constitutional right.
- secessionist — a person who secedes, advocates secession, or claims secession as a constitutional right.
- seclusionist — a person who prefers to be alone or secluded
- second birth — spiritual rebirth.
- second reich — the German Empire 1871–1919.
- second sight — the faculty of seeing future events; clairvoyance.
- section boss — the boss of a section gang.
- section gang — a group of workers who take care of a section of railroad track.
- section hand — a person who works on a section gang.
- section mark — section (def 16).
- sectionalism — excessive regard for sectional or local interests; regional or local spirit, prejudice, etc.
- sectionalize — to render sectional.
- seismonastic — of or relating to seismonasty
- selectionist — a person who believes in natural selection
- self-closing — the end or conclusion, as of a speech.
- self-conceit — an excessively favorable opinion of oneself, one's abilities, etc.; vanity.
- self-cooking — the act of a person or thing that cooks.
- self-locking — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
- self-mocking — to attack or treat with ridicule, contempt, or derision.
- semi-fiction — the class of literature comprising works of imaginative narration, especially in prose form.
- semi-nomadic — of, relating to, or characteristic of nomads.
- semi-organic — noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
- semicolonial — partly colonial
- semimonastic — somewhat monastic; monastic in certain respects
- senior clerk — a clerk who is in a senior position and performs office tasks under minimal supervision
- seroreaction — any reaction occurring in serum.
- serotonergic — containing or activated by serotonin.
- serve notice — to give formal warning or information, as of intentions; announce
- servicewoman — a woman who is a member of the armed forces of a country.
- set function — a function having a collection of sets as domain.
- sexdecillion — a cardinal number represented in the U.S. by 1 followed by 51 zeros, and in Great Britain by 1 followed by 96 zeros.