13-letter words containing a, y, s
- melrose abbey — a ruined Cistercian abbey in Melrose in Scottish Borders: founded in 1136 and sacked by the English in 1385 and 1547: repaired in 1822 by Sir Walter Scott
- mend o's ways — If someone who has been behaving badly mends their ways, they begin to behave well.
- mensurability — The quality of being mensurable.
- merry dancers — the aurora borealis
- mesaticephaly — the state or condition of being mesaticephalic or mesocephalic
- messianically — the promised and expected deliverer of the Jewish people.
- meta-analysis — a research study that combines and analyzes statistics gathered from multiple independent studies
- metaphysician — a person who creates or develops metaphysical theories.
- metaphysicist — a person who creates or develops metaphysical theories.
- metaphysicize — to think, write, etc, metaphysically
- metastability — An unstable but potentially long-lived state of a system; for example, a supersaturated solution or an excited atom.
- methylsulfate — a colorless or yellow, slightly water-soluble, poisonous liquid, (CH 3) 2 SO 2 , used chiefly in organic synthesis.
- microanalyses — Plural form of microanalysis.
- microanalysis — Chemistry. the analysis of very small samples of substances.
- microaneurysm — An extremely small aneurysm.
- microcrystals — Plural form of microcrystal.
- micropayments — Plural form of micropayment.
- midsummer day — the saint's day of St. John the Baptist, celebrated on June 24, being one of the four quarter days in England.
- military base — a facility for the storage of military equipment and the training of soldiers
- milky disease — a bacterial disease of scarab beetle larvae and grubs, especially the Japanese beetle, which turns the larvae white.
- ministerially — In the character or capacity of a minister.
- mixed crystal — a crystal consisting of a solid solution of two or more distinct compounds
- modesty panel — a panel across the front of a desk, especially an office desk, designed to conceal the legs of a person seated at it.
- money matters — issues concerning finances or money, esp your own finances or money
- moneychangers — Plural form of moneychanger.
- monkey island — a flying bridge on top of a pilothouse or chart house.
- monodactylous — having only one digit or claw.
- monosyllabics — Plural form of monosyllabic.
- monosyllabism — monosyllabic character.
- monosyllables — Plural form of monosyllable.
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- moseley's law — the observed law that the square root of the frequencies of lines in atomic x-ray spectra depends linearly on the atomic number of the emitting atom.
- mount stanley — a mountain in central Africa, between Uganda and the Democratic Republic of Congo: the highest peak of the Ruwenzori range. Height: 5109 m (16 763 ft)
- mountainously — In a mountainous way.
- multipartyism — a political system in which two or more political parties contest elections
- multisyllabic — polysyllabic.
- multisyllable — polysyllable.
- musicotherapy — the treatment of mental disorders with music
- mycetophagous — That feeds on fungi.
- mycoplasmosis — a disease in animals and humans caused by mycoplasma
- myelin sheath — a wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles and other effectors.
- myelinisation — Alt form myelinization.
- myofibroblast — (cytology) A cell that is intermediate between a fibroblast and smooth muscle.
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- myristic acid — an oily, white crystalline compound, C 1 4 H 2 8 O 2 , insoluble in water, soluble in alcohol and ether: used in soaps, cosmetics, and in the synthesis of esters for flavors and perfumes.
- mystification — to perplex (a person) by playing upon the person's credulity; bewilder purposely.
- mythographies — Plural form of mythography.
- nanochemistry — (chemistry) The synthesis, analysis and characterization of chemical compounds at the nanoscale.
- naples yellow — a yellow pigment, used by artists; lead antimonate
- narcoanalysis — a method of psychological investigation in which the conscious or unconscious unwillingness of a subject to express memories or feelings is diminished by the use of a barbiturate drug.