12-letter words containing o, b, t, r
- rabbet joint — a joint between rabbeted parts.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- rattail comb — a comb for the hair having a narrow, pointed handle used in styling the hair.
- reabsorption — resorption (def 2).
- receipt book — book containing receipt slips
- redoublement — the act of redoubling
- renegotiable — to negotiate again, as a loan, treaty, etc.
- reset button — control that restores a default setting
- reverberator — to reecho or resound: Her singing reverberated through the house.
- ribbon plant — spider plant (def 1).
- ribbon strip — ribbon (def 8).
- riding boots — long boots worn for horse-riding
- robert emmet — Robert, 1778–1803, Irish patriot.
- robert hooke — Robert, 1635–1703, English philosopher, microscopist, and physicist.
- robotization — the introduction of robots to carry out industrial tasks
- rock bunting — a seed-eating songbird, Emberiza cia
- rock lobster — spiny lobster.
- root climber — a plant that clings to a surface and climbs by means of adventitious roots, as the ivy, Hedera helix.
- roots blower — a machine for compressing or evacuating air or gas by the rotation of a meshing pair of lobed wheels in a closely fitting case.
- rotary table — A rotary table is a revolving part which turns the drill string.
- roundaboutly — in a roundabout manner
- rubber boots — wellingtons: footwear worn in rain
- ryobu shinto — a fusion of Shinto and Buddhism, which flourished in Japan in the 13th century
- sandbox tree — a tropical American tree, Hura crepitans, of the spurge family, bearing a furrowed, roundish fruit about the size of an orange that when ripe and dry bursts with a sharp report and scatters the seeds.
- scotch broom — the broom, Cytisus scoparius.
- scotch broth — a thick soup prepared from mutton, vegetables, and barley.
- scratchboard — a cardboard coated with impermeable white clay and covered by a layer of ink that is scratched or scraped in patterns revealing the white surface below.
- scrobiculate — furrowed or pitted.
- secobarbital — a white, odorless, slightly bitter powder, C 1 2 H 1 8 N 2 O 3 , used as a sedative and hypnotic.
- second birth — spiritual rebirth.
- set store by — an establishment where merchandise is sold, usually on a retail basis.
- short ballot — a ballot containing only candidates for the most important legislative and executive posts, leaving judicial and lesser administrative posts to be filled by appointment.
- skateboarder — person who rides skateboard
- software bus — A support environment for heterogeneous distributed processing, such as the ANSA Testbench.
- solitary bee — any of numerous bees, as the leaf-cutting bees, that do not live in a community.
- sorbefacient — inducing absorption
- soul brother — a black male, especially a fellow black male.
- south arabia — Protectorate of, a former protectorate of Great Britain in S Arabia, now part of the Republic of Yemen.
- sportability — suitability to be used in or as a sport
- stabilizator — a stabilizer
- stabilograph — an instrument for measuring body sway.
- steam boiler — a receptacle in which water is boiled to generate steam.
- steam-boiler — a receptacle in which water is boiled to generate steam.
- stirrup bone — the stapes, one of the three bones of the middle ear
- stockbreeder — the breeding and raising of livestock for marketing or exhibition.
- stockbroking — business of buying and selling stock
- stone bruise — a bruise on the sole of the foot, caused by walking on or striking against a small stone or other hard object.
- stonebreaker — a person that breaks up stone
- storage tube — an electron tube in which information is stored as charges for a predetermined time
- store-bought — commercially made rather than homemade.