pennsylvanian

• POS: Adjective, Noun
• HYPHEN: Penn=syl=va=ni=an

CIDE DICTIONARY

pennsylvanian, prop. n. 

•  The geological period from 280 million to 310 million years ago; -- it was characterized by a warm climate and abundance of swampy land.  [WordNet 1.5]
•  A resident of the state of Pennsylvania.  [WordNet 1.5]

OXFORD DICTIONARY

pennsylvanian, n. & adj.
--n.
1 a native or inhabitant of Pennsylvania, a State of the US.
2 (prec. by the) esp. US Geol. the upper Carboniferous period or system.
--adj.
1 of or relating to Pennsylvania.
2 esp. US Geol. of or relating to the upper Carboniferous period or system.

ROGET THESAURUS

pennsylvanian

Oldness

N oldness, age, antiquity, cobwebs of antiquity, maturity, decline, decay, senility, seniority, eldership, primogeniture, archaism, thing of the past, relic of the past, megatherium, Sanskrit, tradition, prescription, custom, immemorial usage, common law, old, ancient, antique, of long standing, time-honored, venerable, elder, eldest, firstborn, prime, primitive, primeval, primigenous, paleolontological, paleontologic, paleoanthropological, paleoanthropic, paleolithic, primordial, primordinate, aboriginal, diluvian, antediluvian, protohistoric, prehistoric, antebellum, colonial, precolumbian, patriarchal, preadamite, paleocrystic, fossil, paleozoolical, paleozoic, preglacial, antemundane, archaic, classic, medieval, Pre-Raphaelite, ancestral, black-letter, immemorial, traditional, prescriptive, customary, whereof the memory of man runneth not to the contr, inveterate, rooted, antiquated, of other times, rococo, of the old school, after-age, obsolete, out of date, out of fashion, out of it, stale, old-fashioned, behind the age, old-world, exploded, gone out, gone by, passe, run out, senile, time worn, crumbling, secondhand, old as the hills, old as Methuselah, old as Adam, old as history, Archeozoic, Proterozoic, Paleozoic, Mesozoic, Cenozoic, Precambrian, Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, Permian, Triassic, Jurassic, Cretaceous, Tertiary, Paleogene, Neocene, Quaternary, Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Recent, since the world was made, since the year one, since the days of Methuselah, vetera extollimus recentium incuriosi.