12-letter words containing o, b, t, a
- obscurations — Plural form of obscuration.
- observations — Plural form of observation.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- obstreperate — to be extremely noisy or to create a resounding din
- obtuse angle — an angle greater than 90° but less than 180°.
- octosyllabic — consisting of or pertaining to eight syllables.
- octosyllable — a word or line of verse of eight syllables.
- odontoblasts — Plural form of odontoblast.
- odontophobia — an unnatural dread or terror of teeth
- of substance — wealthy
- off the beam — any of various relatively long pieces of metal, wood, stone, etc., manufactured or shaped especially for use as rigid members or parts of structures or machines.
- on probation — under the supervision of a probation officer
- on sb's part — If you talk about a feeling or action on someone's part, you are referring to something that they feel or do.
- on the brain — constantly in mind
- on the table — an article of furniture consisting of a flat, slablike top supported on one or more legs or other supports: a kitchen table; an operating table; a pool table.
- one-base hit — single (def 24).
- oneg shabbat — a Jewish celebration in honor of the Sabbath that takes place on Friday evening or Saturday afternoon and usually includes a program of songs, a lecture, and refreshments.
- opposability — capable of being placed opposite to something else: the opposable thumb of primates.
- orbicularity — The quality of being orbicular.
- orbital road — a highway that circles a metropolitan area; ring road
- osteoblastic — a bone-forming cell.
- out at elbow — ragged or impoverished
- outbalancing — Present participle of outbalance.
- overabstract — thought of apart from concrete realities, specific objects, or actual instances: an abstract idea.
- overabundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overtime ban — a refusal by employees to work overtime
- paedobaptism — the baptism of infants
- paedobaptist — a person who baptizes infants
- palaeobotany — the study of fossil plants
- panic button — an alarm button for use in an emergency, as to summon help.
- pastry board — a flat board on which pastry is rolled
- pathobiology — pathology with emphasis on the biological aspects of disease
- pattern book — collection of textile motifs or designs
- pause button — a button on a video or music player which can be pressed to temporarily stop the playing of the recording
- payment bond — See under contract bond.
- pearl button — a button (as for fastening a shirt, blouse, etc) made of pearl or mother-of-pearl
- perambulator — baby carriage.
- peroxyborate — perborate.
- perturbation — the act of perturbing.
- petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
- petrobutanol — butyl alcohol.
- phantom limb — a phenomenon characterized by the experience of pain, discomfort, or other sensation in the area of a missing limb or other body part, as a breast.
- photolyzable — able to undergo photolysis
- pipe tobacco — tobacco suitable for use in a tobacco pipe
- plasterboard — a material used for insulating or covering walls, or as a lath, consisting of paper-covered sheets of gypsum and felt.
- plastic bomb — a bomb made of plastic explosive.
- platform bed — a bed, originating in Scandinavia in the 1930s, consisting of a simple shallow box for holding a mattress situated on a slightly recessed pedestal.
- plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
- port alberni — a port in SW British Columbia, in SW Canada, on the E central part of Vancouver Island, on an inlet of the Pacific Ocean.
- port de bras — (used with a singular verb) the technique of moving the arms properly.