| 单词 | orthocenter |
| 释义 | orthocenter in American English (ˈɔrθəˌsɛntər) noun Geometry the point where the three altitudes of a triangle intersect orthocenter in American English (ˈɔrθəˌsentər) noun Geometry the point of intersection of the three altitudes of a triangle Word origin [1865–70; ortho- + center]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: goulash, maverick, racism, springboard, valenceortho- is a combining form occurring in loanwords from Greek, where it meant “straight,”“upright,” “right,” “correct” (orthodox) and on this model used in the formation of compound words (orthopedic). Other words that use the affix ortho- include: orthochromatic, orthoclase, orthokeratology, orthophyric, orthostichy |
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