13-letter words containing n, o, r, t, h, b
- north brabant — a province in S Netherlands. 1965 sq. mi. (5090 sq. km). Capital: 's Hertogenbosch.
- north by east — a point on the compass 11°15′ east of north. Abbreviation: NbE.
- north by west — a point on the compass 11°15′ west of north. Abbreviation: NbW.
- northern blot — Biology, Medicine/Medical. a procedure for studying the activity of a specific gene, as in testing for a hereditary defect: RNA fragments in an extract of a cell population or a tissue are separated by gel electrophoresis, transferred to a filter, and then hybridized with labeled DNA or RNA derived from a laboratory-engineered copy of the gene in order to identify the size and abundance of the RNA expressed by that gene.
- number theory — the study of integers and their relation to one another.
- open brethren — one of the two main divisions of the Plymouth Brethren that, in contrast to the Exclusive Brethren, permits contacts with members outside the sect
- 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.
- ornithophobia — Fear of birds.
- overbreathing — hyperventilation
- overnight bag — a travel bag large enough to hold personal articles and clothing for an overnight trip.
- 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.
- rabbath ammon — Amman.
- robber trench — a trench that originally contained the foundations of a wall, the stones of which have been taken away
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- south arabian — of or relating to the former South Arabia (now South Yemen) or its inhabitants
- southern blot — a procedure for identifying and measuring the amount of a specific DNA sequence or gene in a mixed extract, as in testing for a mutation or a virus: DNA strands from the person or organism under study are cut with restriction enzymes, separated by gel electrophoresis, transferred to special filter paper, and hybridized with a labeled DNA probe.
- subinhibitory — not completely inhibiting
- the noble art — boxing
- thereinbefore — before that
- thermobalance — an analytical balance that measures weight changes when matter is heated
- thrombokinase — Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
- thyroglobulin — a protein which is found in the thyroid gland and which contains iodine
- toothbrushing — the act or method of cleaning the teeth with a toothbrush.
- turbocharging — the process or action of supplying an internal combustion engine or a motor vehicle with a turbocharger
- unsmotherable — unquenchable
- vasoinhibitor — an agent, as a drug, that inhibits the action of the vasomotor nerves.
- weather-bound — delayed or shut in by bad weather.
- west by north — a point on the compass 11°15prime; north of west. Abbreviation: WbN.