Words whose 12th letter is M

Animalculism (n.) The theory that the spermatozoon and not the ovum contains the whole of the embryo; spermatism; -- opposed to ovism.

Anguilliform (a.) Eel-shaped.

Antepenultima (n.) The last syllable of a word except two, as -syl- in monosyllable.

Batrachomyomachy (n.) The battle between the frogs and mice; -- a Greek parody on the Iliad, of uncertain authorship.

Cocleariform (a.) Spoon-shaped.

Flabelliform (a.) Having the form of a fan; fan-shaped; flabellate.

Generalissimo (a.) The chief commander of an army; especially, the commander in chief of an army consisting of two or more grand divisions under separate commanders; -- a title used in most foreign countries.

Gymnophthalmata (n. pl.) A group of acalephs, including the naked-eyed medusae; the hydromedusae. Most of them are known to be the free-swimming progeny (gonophores) of hydroids.

Haematothermal (a.) Warm-blooded; homoiothermal.

Homomorphism (n.) The possession, in one species of plants, of only one kind of flowers; -- opposed to heteromorphism, dimorphism, and trimorphism.

Hygrophthalmic (a.) Serving to moisten the eye; -- sometimes applied to the lachrymal ducts.

Hypocraterimorphous (a.) Salver-shaped; having a slender tube, expanding suddenly above into a bowl-shaped or spreading border, as in the blossom of the phlox and the lilac.

Infundibulum (n.) A funnel-shaped or dilated organ or part; as, the infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes.

Isocephalism (n.) A peculiarity in the design of bas-relief by which the heads of human figures are kept at the same height from the ground, whether the personages are seated, standing, or mounted on horseback; -- called also isokephaleia.

Lachrymiform (a.) Having the form of a tear; tear-shaped.

Metasomatism (n.) An alteration in a mineral or rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; -- opposed to ordinary metamorphism, as implying simply a recrystallization.

Neoplatonism (n.) A pantheistic eclectic school of philosophy, of which Plotinus was the chief (A. D. 205-270), and which sought to reconcile the Platonic and Aristotelian systems with Oriental theosophy. It tended to mysticism and theurgy, and was the last product of Greek philosophy.

Neocriticism (n.) The form of Neo-Kantianism developed by French idealists, following C. Renouvier. It rejects the noumena of Kant, restricting knowledge to phenomena as constituted by a priori categories.

Periostracum (n.) A chitinous membrane covering the exterior of many shells; -- called also epidermis.

Phylactolaemata (n. pl.) An order of fresh-water Bryozoa in which the tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians.

Praseodymium (n.) An elementary substance, one of the constituents of didymium; -- so called from the green color of its salts. Symbol Ps. Atomic weight 143.6.

Rhodammonium (a.) Pertaining to, derived from, or containing, rhodium and ammonia; -- said of certain complex compounds.

Sphaerenchyma (n.) Vegetable tissue composed of thin-walled rounded cells, -- a modification of parenchyma.

Spiritualism (n.) The doctrine, in opposition to the materialists, that all which exists is spirit, or soul -- that what is called the external world is either a succession of notions impressed on the mind by the Deity, as maintained by Berkeley, or else the mere educt of the mind itself, as taught by Fichte.

Supernaculum (adv. & n.) A kind of mock Latin term intended to mean, upon the nail; -- used formerly by topers.

Symphyseotomy (n.) The operation of dividing the symphysis pubis for the purpose of facilitating labor; -- formerly called the Sigualtian section.

Syncategorematic (a.) Not capable of being used as a term by itself; -- said of words, as an adverb or preposition.

Traducianism (n.) The doctrine that human souls are produced by the act of generation; -- opposed to creationism, and infusionism.

Transformism (n.) The hypothesis, or doctrine, that living beings have originated by the modification of some other previously existing forms of living matter; -- opposed to abiogenesis.

Xiphisternum (n.) The posterior segment, or extremity, of the sternum; -- sometimes called metasternum, ensiform cartilage, ensiform process, or xiphoid process.

About the author

Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".

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