12-letter words containing a, c, e, r, m
- hibernaculum — a protective case or covering, especially for winter, as of an animal or a plant bud.
- hire company — a company that hires things out to people
- home teacher — private tutor
- horometrical — Relating to horometry.
- hunger march — a procession of protest or demonstration by the unemployed
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hypermagical — produced by or as if by magic: The change in the appearance of the room was magical.
- hypermediacy — Hypermedia literacy; the state of being conversant with hypermedia technologies.
- hypersarcoma — a growth of proud or fungous flesh
- hypersomniac — a tendency to sleep excessively.
- ian maclaren — James Dewey, born 1928, U.S. biologist: Nobel Prize in medicine 1962.
- iatrochemist — a person who practises iatrochemistry
- icbm address — (networking, humour) (Or "missile address") The form used to register a site with the Usenet mapping project includes a space for longitude and latitude, preferably to seconds-of-arc accuracy. This is actually used for generating geographically-correct maps of Usenet links on a plotter; however, it has become traditional to refer to this as one's "ICBM address" or "missile address", and many people include it in their sig block with that name. (A real missile address would include target altitude.)
- impermanence — not permanent or enduring; transitory.
- impermanency — Alternative form of impermanence.
- impierceable — not able to be pierced
- implicatures — Plural form of implicature.
- importancies — Plural form of importancy.
- imprecations — Plural form of imprecation.
- incendiarism — the act or practice of an arsonist; malicious burning.
- incomparable — beyond comparison; matchless or unequaled: incomparable beauty.
- increasement — (rare) An increase; growth.
- incriminated — Simple past tense and past participle of incriminate.
- incumbrancer — (legal) One who holds incumbrance, or some legal claim, lien, or charge on an estate.
- incumbrances — Plural form of incumbrance.
- infomercials — Plural form of infomercial.
- informercial — infomercial.
- insectariums — Plural form of insectarium.
- intemperance — excessive or immoderate indulgence in alcoholic beverages.
- intercompany — a number of individuals assembled or associated together; group of people.
- intercompare — (of members of a group) to compare each member against all other members
- intermediacy — the state of being intermediate or of acting intermediately.
- intermercial — interstitial
- isodiametric — having equal diameters or axes.
- jasmine rice — an aromatic, flavorful long-grain rice of Asia, especially Thailand.
- lamp bracket — a bracket for holding a lamp
- laryngectomy — excision of part or all of the larynx.
- latus rectum — the chord perpendicular to the principal axis and passing through a focus of an ellipse, parabola, or hyperbola.
- law merchant — the principles and rules, drawn chiefly from custom, determining the rights and obligations of commercial transactions; commercial law.
- leaf-climber — a plant that climbs by using leaves specialized as tendrils
- like a charm — perfectly; successfully
- lime cordial — a drink made from sweetened lime juice and plain or carbonated water
- lumberjacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- macaberesque — resembling or suggestive of the danse macabre; macabre
- machine word — word (def 10).
- machine-word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- mackerel sky — an extensive group of cirrocumulus or altocumulus clouds, especially when well-marked in their arrangement: so called because of a resemblance to the scales on a mackerel.
- macrocephaly — Cephalometry. being or having a head with a large cranial capacity.
- macroclimate — the general climate of a large area, as of a continent or country.