17-letter words containing m, a, r, t, h
- methyltransferase — any of a class of enzymes that catalyze the transfer of methyl groups from one molecule to another.
- microphanerophyte — any shrub or tree having a height of 2 to 8 metres
- microphotographic — Relating to microphotography.
- mischaracterizing — Present participle of mischaracterize.
- miss lonelyhearts — a novel (1933) by Nathanael West.
- mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
- modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
- modulo arithmetic — modular arithmetic
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- monochromatically — of or having one color.
- montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
- month after month — every month
- more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
- mother of vinegar — mother2 .
- mount fairweather — a mountain in W North America, on the border between Alaska and British Columbia. Height: 4663 m (15 300 ft)
- myasthenia gravis — a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, especially of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine receptors. Abbreviation: MG.
- nakhon ratchasima — a city in central Thailand.
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- natural logarithm — a logarithm having e as a base. Symbol: ln.
- nephelometrically — By means of nephelometry.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- normal orthogonal — orthonormal.
- north miami beach — a city in SE Florida.
- north-wall hammer — a type of ice axe that has a hammer as part of its head
- northcountrywoman — a female native or inhabitant of the North of England
- northern michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
- nothing more than — merely, solely
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- out of harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overstep the mark — If someone oversteps the mark, they behave in a way that is considered unacceptable.
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
- parathyroidectomy — the excision of a parathyroid gland.
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- peer of the realm — any of a class of peers in Great Britain and Ireland entitled by heredity to sit in the House of Lords.
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- portmanteau morph — a phonological unit of more than one morpheme, as French au to (him) from a to + le masculine article, which realizes a preposition and the definite article; a single morph that is analyzed as representing two underlying morphemes.
- put on the market — offer for sale
- quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
- racial harassment — persecution on the basis of race
- radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
- relative humidity — the amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature; the ratio of the actual water vapor pressure to the saturation vapor pressure. Abbreviation: RH, rh.
- relative pathname — (file system) A path relative to the working directory. Its first character can be anything but the pathname separator.
- rheumatic disease — any of a group of diseases of the connective tissue, of uncertain causes, including rheumatoid arthritis, gout, and rheumatic fever
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)