12-letter words containing o, i, l, s
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- asymptotical — of or relating to an asymptote.
- atactostelic — Of or possessing an atactostele.
- auction sale — an instance of items being sold by auction
- audio-visual — Audio-visual equipment and materials involve both recorded sound and pictures.
- audiologists — Plural form of audiologist.
- audiovisuals — Plural form of audiovisual.
- auscultation — the diagnostic technique in medicine of listening to the various internal sounds made by the body, usually with the aid of a stethoscope
- auspiciously — promising success; propitious; opportune; favorable: an auspicious occasion.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autoanalysis — Psychoanalysis. self-analysis.
- autodiallers — Plural form of autodialler.
- autoeciously — in an autoecious manner
- automobilism — the use of automobiles, or the practices associated with them
- automobilist — Driver; person who uses a motor vehicle such as car, van or truck.
- avariciously — characterized by avarice; greedy; covetous.
- axis of evil — North Korea, Iraq, and Iran when considered together as a perceived threat to world stability
- bachelorship — the state of being a bachelor; bachelorhood
- backsolution — The process or result of backsolving.
- bacon-slicer — a machine for cutting bacon into slices
- balloon sail — a large light bellying sail used in light winds
- balto-slavic — the Baltic and Slavic languages, when considered as constituting a subfamily within the Indo-European family of languages: the Baltic and Slavic branches are now generally considered by scholars as independently derived from Indo-European
- base bullion — smelted lead containing impurities, as gold, silver, or zinc, that are later removed.
- basic jovial — (language) A subset of JOVIAL written ca. 1965.
- bathophilous — (of an organism) living in very deep water
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- bed of nails — a situation or position of extreme difficulty
- bell housing — A bell housing is a bell-shaped extension of an engine crankcase, that contains the flywheel and the clutch.
- bellows fish — snipefish.
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- bib overalls — overall (def 3a).
- bible school — a school or study program devoted to Bible study, esp at a church
- bibliologist — a student of bibliology
- bibliopegist — a bookbinder
- bicycle shop — a shop that sells and usually repairs bicycles and bicycle parts
- bill of sale — a deed transferring personal property, either outright or as security for a loan or debt
- biosatellite — an artificial satellite for carrying living organisms
- biosociology — the study of the evolution of social forms and the development of social behavior in terms analogous to or correlated with biological studies.
- biting louse — any wingless insect of the order Mallophaga, such as the chicken louse: external parasites of birds and mammals with biting mouthparts
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- blastocoelic — of or relating to the blastocoel
- blastulation — the process of blastula formation
- blind-emboss — blind-stamp.
- block island — an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound.
- block signal — a fixed railroad signal governing the movements of trains entering and using a given section of track.
- blockbusting — A blockbusting film or book is one that is very successful, usually because it is very exciting.
- blood sister — a sister by birth
- blood spavin — a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)