bottle top
a bottle cap
plural of trencherful
(geometry) a theorem stating that if a set of points P_i lying on a line is isometrically mapped to points P_i' on a different line, then the midpoints of the segments P_iP_i' also lie on a line.
(chemistry, dated) An acid prepared by dissolving mellonuret of potassium in boiling water, and adding hydrochloric acid, sulphuric acid, or nitric acid.
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DiQt(ディクト)
無料
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