13-letter words containing h, o, r, m, n, a
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- pneumatograph — pneumograph.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- poker machine — a fruit machine
- promonarchist — the principles of monarchy.
- rabbath ammon — Amman.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- reach-me-down — a garment that is cheaply ready-made or second-hand
- refashionment — the act or state of being refashioned
- rhinoscleroma — an inflammatory bacterial disease of the nose that is mostly found in Africa and Central America
- rhodesian man — an extinct Pleistocene human whose cranial remains were found at Kabwe, in Zambia: formerly in some classifications Homo rhodesiensis but now considered archaic Homo sapiens.
- rhythmization — the act or process of rhythmizing something
- roman holiday — a public spectacle or controversy marked by barbarism, vindictiveness, or scandal.
- rough diamond — gemstone: uncut diamond
- sex chromatin — Barr body.
- shockumentary — a television programme showing members of the public in shocking or violent situations
- shop chairman — a unionized employee elected to represent a shop, department, or the like, in dealings with an employer.
- shrove monday — the Monday before Ash Wednesday.
- spanish broom — a spiny, often leafless shrub, Genista hispanica, of the legume family, native to southern Europe, having clustered, golden-yellow flowers and hairy pods.
- sportsmanship — the character, practice, or skill of a sportsman.
- tautochronism — the fact or quality of being a tautochrone
- the decameron — title of collection of stories written in Italian in the early Renaissance by Boccaccio
- the-decameron — a collection of 100 tales (1353) by Boccaccio.
- theanthropism — the doctrine of the union of the divine and human natures, especially the manifestation of God as man in Christ.
- thermal noise — a wide spectrum of electromagnetic noise appearing in electronic circuits and devices as a result of the temperature-dependent random motions of electrons and other charge carriers.
- thermobalance — an analytical balance that measures weight changes when matter is heated
- thermodynamic — of or relating to thermodynamics.
- thermonuclear — relating to nuclear fusion
- thermostating — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- thrombokinase — Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
- trench mortar — a portable, muzzle-loaded mortar, usually having a smooth bore, fired at high angles of elevation to reach concealed enemy targets.
- trimethadione — a synthetic, white, crystalline powder, C 6 H 9 NO 3 , used as an anticonvulsant to control petit mal epileptic seizures.
- ultramarathon — any footrace of 50 or more miles.
- unsmotherable — unquenchable
- vowel harmony — a phonological rule in some languages, as Hungarian and Turkish, requiring that the vowels of a word all share a specified feature, such as front or back articulation, thereby conditioning the form that affixes may take, as in forming the Turkish plurals evler “houses” from ev “house” and adamlar “men” from adam “man.”.
- wolverhampton — a city in West Midlands, in W England.
- woman teacher — a female schoolteacher
- wool merchant — a dealer in wool
- xanthochroism — a condition in certain animals, esp aquarium goldfish, in which all skin pigments other than yellow and orange disappear