suorakulma

== Finnish == === Etymology === suora (“straight”) +‎ kulma (“angle”). Coined by Finnish mathematics teacher and clergyman Pekka Aschan in 1859. === Pronunciation === IPA(key): /ˈsuo̯rɑˌkulmɑ/, [ˈs̠uo̞̯rɑ̝ˌkulmɑ̝] Rhymes: -ulmɑ Syllabification(key): suo‧ra‧kul‧ma Hyphenation(key): suora‧kulma === Noun === suorakulma (geometry) right angle (angle of 90 degrees) square, set square, carpenter's square (tool used to measure out right angles) ==== Usage notes ==== English "straight angle" is an angle of 180°, i.e. oikokulma in Finnish. ==== Declension ==== ==== Synonyms ==== (angle): suora kulma ==== Derived terms ==== ==== See also ==== oikokulma === References === === Further reading === “suorakulma”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎[2] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 3 July 2023