Permian

1841, "pertaining to the uppermost strata of the Paleozoic era," named by British geologist Sir Roderick Impey Murchison (1792-1871) for the region of Perm in northwestern Russia, where Murchison had studied rocks from this epoch. His original definition of the rock system was somewhat broader in each direction, chronologically, than the current one.

also from 1841

Trends of Permian

adapted from books.google.com/ngrams/. Ngrams are probably unreliable.

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period

early 15c., periode, "a course or extent of time; a cycle of recurrence of a disease," from Old French periode (14c.) and directly from Medieval Latin periodus "recurring portion, cycle," from Latin periodus "a complete sentence," also "cycle of the Greek games," from Greek perio

patient

mid-14c., paciente, "capable of enduring misfortune, suffering, etc., without complaint," from Old French pacient and directly from Latin patientem "bearing, supporting, suffering, enduring, permitting" (see patience). From late 14c. as "slow to anger, self-restrained, having the

tolerance

early 15c., "endurance, fortitude" (in the face of pain, hardship, etc.), from Old French tolerance (14c.), from Latin tolerantia "a bearing, supporting, endurance," from tolerans, present participle of tolerare "to bear, endure, tolerate" (see toleration). Of individuals, with t

righteous

an early 16c. alteration of the older word, rightwise, which is from Old English rihtwis, of actions, "characterized by justice, morally right," of persons, "just, upright; sinless, conforming to divine law," from riht (see right (adj.1)) + wis "wise, way, manner" (see wise (adj.

assess

early 15c., "to fix the amount (of a tax, fine, etc.)," from Anglo-French assesser, from Medieval Latin assessare "fix a tax upon," originally frequentative of Latin assessus "a sitting by," past participle of assidere/adsidere "to sit beside" (and thus to assist in the office of

social

early 15c., "devoted to or relating to home life;" 1560s as "living with others," from French social (14c.) and directly from Latin socialis "of companionship, of allies; united, living with others; of marriage, conjugal," from socius "companion, ally," probably originally "follo

plantation

mid-15c., plantacioun, "action of planting (seeds, etc.)," a sense now obsolete, from Latin plantationem (nominative plantatio) "a planting," noun of action from past-participle stem of *plantare "to plant" (see plant (n.)). From c. 1600 as "introduction, establishment." From 158

crux

1814, "a cross," from Latin crux "cross," a word of uncertain origin. Sometimes said to be cognate with Irish cruach "heap, hill," Gaulish *krouka "summit," Old Norse hryggr "backbone," Old English hrycg "back." But de Vaan is suspicious: The Celtic and Gm. forms are often recon

Philistine

one of the Old Testament people of coastal Palestine who made war on the Israelites, early 14c., from Old French Philistin, from Late Latin Philistinus, from Late Greek Philistinoi (plural), from Hebrew P'lishtim, "people of P'lesheth" ("Philistia"); compare Akkadian Palastu, Egy

reflection

late 14c., refleccioun, reflexioun, reflectioun, of surfaces or bodies, "the action of throwing back light or heat," from Old French reflexion, refleccion, and directly from Late Latin reflexionem (nominative reflexio) "a reflection," literally "a bending back," noun of action fr

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updated on August 01, 2020

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Dictionary entries near Permian

permeability

permeable

permeant

permeate

permeation

Permian

permissible

permission

permissive

permit

permutate