释义 |
hourglass I. \ˈ ̷ ̷ˌ ̷ ̷\ noun Etymology: hour + glass 1. : an instrument for measuring time consisting of a glass vessel having two symmetrical compartments from the uppermost of which a quantity of sand, water, or mercury occupies an hour in running through a small aperture into the lower one and an hour returning when the instrument is turned upside down 2. : the space of time measured by an hourglass
II. adjective : shaped like an hourglass < hourglass waistline > < hourglass contraction of the stomach > < hourglass tumor > |