12-letter words containing a, n, b, i, o
- ribbon plant — spider plant (def 1).
- ribbon snake — either of two long-tailed garter snakes, Thamnophis proximus or T. sauritus, of eastern and central North America, having a brownish body and yellow or orange stripes.
- ribonuclease — any of the class of enzymes that catalyze the hydrolysis of RNA.
- robotization — the introduction of robots to carry out industrial tasks
- sailboarding — windsurfing.
- sailing boat — sailboat.
- salmon brick — a soft, imperfectly fired brick having a reddish-orange color.
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- sanctionable — authoritative permission or approval, as for an action.
- satanophobia — a morbid fear of the devil or Satan
- savings bond — a U.S. government bond with principal amounts up to $10,000.
- scrapbooking — hobby: collaging
- serial bonds — Serial bonds are bonds that are issued at the same time but have staggered maturity dates.
- shopbreaking — the act of breaking into a shop
- shopping bag — a strong, usually paper or plastic, bag with handles, used to carry purchases or belongings.
- sigma baryon — an unstable hyperon having positive, negative, or zero electric charge and strangeness −1. Symbol: Σ.
- signal board — a board for displaying electrically transmitted signals and indicating their source.
- sino-tibetan — a family of languages including especially Burmese, Tibetan, and the various local languages and dialects whose speakers share literary Chinese as their standard language.
- snowboarding — a board for gliding on snow, resembling a wide ski, to which both feet are secured and that one rides in an upright position.
- somnambulism — sleepwalking.
- somnambulist — sleepwalking.
- sorbefacient — inducing absorption
- soybean milk — a milk substitute made of soy flour and water, used especially in the making of tofu.
- speedboating — the act, practice, or sport of traveling in a speedboat.
- spinal block — spinal anesthesia.
- spiral-bound — having a spiral binding.
- spongioblast — one of the primordial cells in the embryonic brain and spinal cord capable of developing into neuroglia.
- strobilation — asexual reproduction by division into segments, as in tapeworms and jellyfishes
- subabdominal — below or beneath the abdomen
- subarachnoid — of, relating to, or situated below the arachnoid membrane.
- subarcuation — a structure that is somewhat arched
- subdiaconate — the office or dignity of a subdeacon.
- suberization — the impregnation of cell walls with suberin, causing the formation of cork.
- subhastation — a public auction or sale
- subjectional — the act of subjecting.
- sublineation — an underlining
- subordinated — placed in or belonging to a lower order or rank.
- subordinator — a conjunction introducing a subordinate clause, as when in They were glad when I finished.
- subsonically — at a velocity below that of sound
- substraction — the act or process of subtracting
- surfboarding — a long, narrow board on which a person stands or lies prone in surfboarding.
- talking book — a phonograph record or tape recording of readings of a book, magazine, etc., made especially for use by the blind.
- teaching job — a position as a teacher
- technobandit — a person who steals technological secrets, as from the government or a place of employment, and sells them to agents of foreign governments or to competing firms.
- technophobia — abnormal fear of or anxiety about the effects of advanced technology.
- tie-on label — a label that is fastened by tying on
- timbale iron — a metal mold made in any of several shapes and usually provided with a long handle, for deep-frying timbales.
- timbromaniac — a person who is passionate about stamp-collecting
- transponible — capable of being transposed.
- tube station — an underground station where underground trains depart and leave, esp in London