Select a letter for some words
Macrocystis
An immensely long blackish seaweed of the Pacific (), having numerous almond-shaped air vessels.
Mactation
The act of killing a victim for sacrifice.
Maculation
The act of spotting; a spot; a blemish; a macula.
Madreporiform
Resembling a madreporian coral in form or structure.
magnetic field strength
The amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow.
magnetic flux density
The amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow.
magnetic north
The direction in which the north-pointing end of a compass needle points; at low latitudes it is close to geographic (true) north, but deviates substantially from true north as one nears the north pole.
Maharif
An African antelope (). Its face is striped with black and white.
mainsheet
One of the ropes by which the mainsail is hauled aft and trimmed.
Maize
A large species of American grass of the genus (), widely cultivated as a forage and food plant; Indian corn, commonly called . Also, its seed, growing on cobs, and used as food for men and animals.
Malacanthidae
A natural family of short-headed marine fishes which are often brightly colored.
Malleable
Capable of being extended or shaped by beating with a hammer, or by the pressure of rollers; -- applied to metals.
Malopterurus electricus
See .
Mandamus
A writ issued by a superior court and directed to some inferior tribunal, or to some corporation or person exercising authority, commanding the performance of some specified duty.
Manganese
An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty (melting point 1244 C), but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Atomic number 25; Atomic weight 54.938 [C=12.011].
manger
A trough or open box in which fodder is placed for horses or cattle to eat.
Maniac
Raving with madness; raging with disordered intellect; affected with mania; mad.
manul
A wild cat (), having long, soft, light-colored fur. It is found in the mountains of Central Asia, and dwells among rocks.
Manx
The language of the inhabitants of the Isle of Man, a dialect of the Celtic.
maravilla
A wildflower () having vibrant deep pink tubular evening-blooming flowers; found in sandy and desert areas from Southern California to Southern Colorado and into Mexico.
Margate fish
A sparoid fish () of the Gulf of Mexico, esteemed as a food fish; -- called also .
Marshaler
One who marshals.
Masseteric
Of or pertaining to the masseter.
Masterful
Inclined to play the master; domineering; imperious; arbitrary.
matchbook
A small folder of paper safety matches.
Matronly
Advanced in years; elderly.
Maunch
To munch.
Measureless
Without measure; unlimited; immeasurable.
Mechanician
One skilled in the theory or construction of machines; a machinist.
Mechanism
The arrangement or relation of the parts of a machine; the parts of a machine, taken collectively; the arrangement or relation of the parts of anything as adapted to produce an effect;
Meditatist
One who is given to meditation.
Melanterite
A hydrous sulphate of iron of a green color and vitreous luster; iron vitriol.
Melodiograph
A contrivance for preserving a record of music, by recording the action of the keys of a musical instrument when played upon.
mercurialism
The syndrome produced by poisoning due to exposure to mercury, it fumes, or its compounds; . Such exposure may occur in mining or smelting, or in using mercurial compounds.
Mercy
Forbearance to inflict harm under circumstances of provocation, when one has the power to inflict it; compassionate treatment of an offender or adversary; clemency.
Meshy
Formed with meshes; netted.
Metachronism
An error committed in chronology by placing an event after its real time.
Metacinnabarite
Sulphide of mercury in isometric form and black in color.
Metallize
To impart metallic properties to; to impregnate with a metal.
Metallophone
An instrument like a pianoforte, but having metal bars instead of strings.
Metapeptone
An intermediate product formed in the gastric digestion of albuminous matter.
Metaphosphate
A salt of metaphosphoric acid.
Metasilicate
A salt of metasilicic acid.
Methodological
Of or pertaining to methodology.
Mhometer
An instrument for measuring conductivity.
Micrographic
Of or pertaining to micrography.
Microseme
Having the orbital index relatively small; having the orbits broad transversely; -- opposed to .
mid-off
the fielding position in cricket closest to the bowler on the off side.
milline
an advertising measure; one agate line appearing in one million copies of a publication.
Miltwaste
A small European fern () formerly used in medicine.
minesweeping
the activity of detecting and disposing of marine mines.
Miniver
A fur esteemed in the Middle Ages as a part of costume. It is uncertain whether it was the fur of one animal only or of different animals.
Misadjust
To adjust wrongly of unsuitably; to throw out of adjustment.
Misrate
To rate erroneously.
Misspeak
To utter wrongly.
Mistaken
Being in error; judging wrongly; having a wrong opinion or a misconception;
Mister
A title of courtesy prefixed to the name of a man or youth. It is usually written in the abbreviated form
Misunderstanding
Mistake of the meaning; error; misconception.
Mockery
The act of mocking, deriding, and exposing to contempt, by mimicry, by insincere imitation, or by a false show of earnestness; a counterfeit appearance.
Monocarp
A monocarpic plant.
Monographer
A writer of a monograph.
Monothalamous
One-chambered.
Moon
To act if moonstruck; to wander or gaze about in an abstracted manner.
Moonfish
An American marine fish (); -- called also , , and .
Moonstruck
Mentally affected or deranged by the supposed influence of the moon; lunatic.
Mopstick
The long handle of a mop.
Morality
The relation of conformity or nonconformity to the moral standard or rule; quality of an intention, a character, an action, a principle, or a sentiment, when tried by the standard of right.
Mot
May; must; might.
Motif
Motive.
Mousquetaire
A musketeer, esp. one of the French royal musketeers of the 17th and 18th centuries, conspicuous both for their daring and their fine dress.
Movably
In a movable manner or condition.
Moya
Mud poured out from volcanoes during eruptions; -- so called in South America.
Muckiness
The quality of being mucky.
Mucksy
Somewhat mucky; soft, sticky, and dirty; muxy.
Mulewort
A fern of the genus .
Mummer
One who mumms, or makes diversion in disguise; a masker; a buffon.
Murexan
A complex nitrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; -- called also , , and formerly .
Myocardium
The main substance of the muscular wall of the heart inclosed between the epicardium and endocardium.
Mystery
A profound secret; something wholly unknown, or something kept cautiously concealed, and therefore exciting curiosity or wonder; something which has not been or can not be explained; hence, specifically, that which is beyond human comprehension.