protrusion
n.
1640s, from French protrusion, noun of action from past participle stem of Latin protrudere "to push out" (see protrude), or from a similar formation in English.
| 词汇 | protrusion |
| 词根词缀 | Online Etymology Dictionary protrusion n. 1640s, from French protrusion, noun of action from past participle stem of Latin protrudere "to push out" (see protrude), or from a similar formation in English. |
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