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carbon dioxide

(Encyclopedia)carbon dioxide, chemical compound, CO2, a colorless, odorless, tasteless gas that is about one and one-half times as dense as air under ordinary conditions of temperature and pressure. It does not bur...

Columbus

(Encyclopedia)Columbus. 1 City (2020 pop. 206,922), seat of Muscogee co., W Ga., at the head of navigation on the Chattahoochee River; settled and inc. 1828 on the ...

Toronto

(Encyclopedia)Toronto tərŏnˈtō [key], city (1998 est pop. 2,400,000), provincial capital, S Ont., Canada, on Lake Ontario. Toronto is the largest city in Canada and since the 1970s has been one of the fastest-c...

hygrometer

(Encyclopedia)hygrometer hīgrŏmˈətər [key], instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a measure of...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...

Huron, Lake

(Encyclopedia)Huron, Lake hyo͝orˈänˌ [key], 23,010 sq mi (59,596 sq km), 206 mi (332 km) long and 183 mi (295 km) at its greatest width, between Ont., Canada, and Mich.; second largest of the Great Lakes. It ha...

Holocene epoch

(Encyclopedia)Holocene epoch hŏlˈəsēn [key] or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the...

Halifax, city, Canada

(Encyclopedia)Halifax, city and regional municipality, provincial capital, S central N.S., Canada, on the Atlantic Ocean. It is the largest city in the Maritime Provi...

Johnstown

(Encyclopedia)Johnstown. 1 City (1990 pop. 9,058), seat of Fulton co., E central N.Y.; founded 1772, inc. 1895. Its leather-glove industry dates back to 1800; other leather and knitted goods are also made. Johnson ...

meatpacking

(Encyclopedia)meatpacking or meat-processing, wholesale business of buying and slaughtering animals and then processing and distributing their carcasses to retailers. The livestock industry is among the largest in ...