13-letter words containing a, n, t, b
- obstinateness — The characteristic of being obstinate.
- obtainability — to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income.
- octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- odontoblastic — Relating to odontoblasts.
- open a bottle — If you open a bottle, you remove the cork or cap.
- opisthobranch — any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles.
- optical bench — an apparatus, as a special table or rigid beam, for the precise positioning of light sources, screens, and optical instruments used for optical and photometric studies, having a ruled bar to which these devices can be attached and along which they can be readily adjusted.
- orbital index — the ratio of the maximum breadth to the maximum height of the orbital cavity multiplied by 100.
- orbitofrontal — Located in the frontal lobes above the orbits of the eyes.
- ornithophobia — Fear of birds.
- out and about — busy, active outside the home
- out on a limb — a part or member of an animal body distinct from the head and trunk, as a leg, arm, or wing: the lower limbs; artificial limbs.
- outward bound — (in Britain) a scheme to provide adventure training for young people
- outward-bound — headed in an outward direction, as toward foreign ports: We passed an outward-bound ship as we came into the harbor.
- over-abundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overbreathing — hyperventilation
- overexuberant — effusively and almost uninhibitedly enthusiastic; lavishly abundant: an exuberant welcome for the hero.
- overnight bag — a travel bag large enough to hold personal articles and clothing for an overnight trip.
- panel-beating — the act of beating out the bodywork of motor vehicles
- parietal bone — either of a pair of membrane bones forming, by their union at the sagittal suture, part of the sides and top of the skull.
- parking orbit — a temporary orbit in which a spacecraft awaits the next phase of its mission.
- parsons table — a square or rectangular table, often of lightweight material, with straight legs that are square in cross section and of the same thickness as the top extending from the corners flush with the top so as to appear jointless.
- partitionable — a division into or distribution in portions or shares.
- patentability — the exclusive right granted by a government to an inventor to manufacture, use, or sell an invention for a certain number of years.
- path-breaking — very original; ground-breaking
- peanut butter — a paste made from ground roasted peanuts, used as a spread or in cookery.
- penobscot bay — an inlet of the Atlantic in S Maine. 30 miles (48 km) long.
- pentasyllabic — a word or line of verse of five syllables.
- pentasyllable — a word or line of verse of five syllables.
- pentobarbital — a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
- perambulation — to walk through, about, or over; travel through; traverse.
- perditionable — deserving perdition or damnation
- personal best — A sports player's personal best is the highest score or fastest time that they have ever achieved.
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- picnic basket — woven container for carrying food outdoors
- pigeon breast — chicken breast.
- pilot balloon — a balloon for the visual observation of upper-atmosphere wind currents.
- placentia bay — a bay of the Atlantic Ocean on the SE coast of Newfoundland, Canada, W of the Avalon Peninsula. About 100 miles (160 km) long and 80 miles (129 km) wide.
- plant breeder — a botanist concerned with the origin and evolution of plants
- plebification — the act of making popular or vulgar
- pollen basket — (of bees) a smooth area on the hind tibia of each leg fringed with long hairs and serving to transport pollen.
- polybutadiene — a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.
- polycarbonate — a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- post-cambrian — Geology. noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life.
- postdebutante — following the stage of being a debutante
- prince albert — Carl (Bert) 1908–2000, U.S. politician: Speaker of the House 1971–77.
- private brand — a product marketed under a private label.
- pro-abolition — the act of abolishing: the abolition of war.
- punjab states — (formerly) a group of states in NW India, amalgamated in 1956 with Punjab state