13-letter words containing m, o, b, c, r
- 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.
- 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.
- postembryonic — occurring after the embryonic phase.
- pre-columbian — of or relating to the Americas before the arrival of Columbus: pre-Columbian art; pre-Columbian Indians.
- prebasic molt — the molt by which most birds replace all of their feathers, usually occurring annually after the breeding season.
- precombustion — of or relating to the period immediately before combustion
- problematical — of the nature of a problem; doubtful; uncertain; questionable.
- recombination — any of several processes by which genetic material of different origins becomes combined. It most commonly occurs between two sets of parental chromosomes during production of germ cells
- recommendable — to present as worthy of confidence, acceptance, use, etc.; commend; mention favorably: to recommend an applicant for a job; to recommend a book.
- recommendably — in a way that is recommendable
- rock climbing — the sport of climbing sheer rocky surfaces on the sides of mountains, often with the aid of special equipment.
- sacred bamboo — nandina.
- semicarbazone — a product that occurs as a result of aldehyde or ketone reacting with semicarbazide
- smoke chamber — an enlarged area between the throat of a fireplace and the chimney flue.
- subcinctorium — an embroidered silk vestment resembling, but somewhat broader than, a maniple, worn by the pope on solemn occasions.
- thermobalance — an analytical balance that measures weight changes when matter is heated
- thiocarbamide — thiourea.
- thoracolumbar — of the thoracic and lumbar regions
- thromboclasis — thrombolysis.
- umbraculiform — umbrella-shaped
- unciform bone — a small bone of the wrist
- uncomfortable — causing discomfort or distress; painful; irritating.
- uncomfortably — causing discomfort or distress; painful; irritating.
- unconformable — not conformable; not conforming.
- unconformably — not conformable; not conforming.
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- west bromwich — a city in West Midlands, in central England, near Birmingham.