Columbia Encyclopedia

Search results

500 results found

kinetin

(Encyclopedia)kinetin kīˈnətĭn [key], one of a group of chemically similar plant hormones, the cytokinins, that promote cell division. In some instances kinetin acts together with another hormone, indoleacetic ...

Kangding

(Encyclopedia)Kangding or Kangting both: kängˈdĭngˈ [key], city (1990 pop. 98,960), W Sichuan prov., China, in the Garze Tibetan Autonomous Region. It is a transportation center on the main road from Chengdu to...

Gadsden

(Encyclopedia)Gadsden gădzˈdən [key], city (2020 pop. 33,945), seat of Etowah co., NE Ala., on the Coosa ...

Iligan

(Encyclopedia)Iligan ēlēˈgän [key], city, capital of Lanao del Norte prov., W central Mindanao, the Phi...

duckweed

(Encyclopedia)duckweed, any plant of the genus Lemna and sometimes of related genera. Duckweeds are tiny floating or submerged aquatic plants with reduced or obsolete roots. They flower only rarely, and their flowe...

Duhamel du Monceau, Henri Louis

(Encyclopedia)Duhamel du Monceau, Henri Louis äNrēˈ lwē düämĕlˈ dü môNsōˈ [key], 1700–1782, French agriculturist and tree expert. He did experimental work on plant physiology and ecology and wrote The...

Chungju

(Encyclopedia)Chungju cho͞ongˈjo͞oˈ [key], city, North Chungcheong prov., central South Korea. Chungju is an ...

Two Rivers

(Encyclopedia)Two Rivers, city (1990 pop. 13,030), Manitowoc co., E Wis., on Lake Michigan at the mouth of the Twin River; inc. 1878. Two Rivers is closely associated with its twin city, Manitowoc, both of which ar...

Ottumwa

(Encyclopedia)Ottumwa ŏtŭmˈwə, ō– [key], city (1990 pop. 24,488), seat of Wapello co., SE Iowa, on both banks of the Des Moines River, in a farm and coal area; inc. 1851. A commercial and industrial center, ...

Bukavu

(Encyclopedia)Bukavu bo͞okäˈvo͞o [key], city, capital of Sud-Kivu province, E Congo (Kinshasa), a port on ...