Underthrust
noun, Geology.
1.
a thrust fault in which the footwall moved and the hanging wall did not (opposed to overthrust).
noun
1.
(geology) a reverse fault in which the rocks on the lower surface of a fault plane have moved under the relatively static rocks on the upper surface Compare overthrust
Read Also:
- Undertime
noun 1. (informal) the time spent by an employee at work in non-work-related activities like socializing, surfing the internet, making personal telephone calls, etc noun the time an employee takes off from work for non-work-related tasks; employee’s hours paid-for but not worked Word Origin 1983; patterned on overtime Usage Note slang
- Undertint
noun 1. a subdued tint. noun 1. a slight, subdued, or delicate tint
- Undertip
verb to give quite a bit less for a gratuity than expected; to give an excessively small gratuity Examples She undertips when they clip things to the credit card and ruin the magnetic strip. Usage Note undertipped, undertipping
- Undertitle
noun 1. the distinguishing name of a book, poem, picture, piece of music, or the like. 2. a descriptive heading or caption, as of a chapter, section, or other part of a book. 3. title page. 4. a descriptive or distinctive appellation, especially one belonging to a person by right of rank, office, attainment, etc.: […]
- Undertone
noun 1. a low or subdued tone: to speak in undertones. 2. an unobtrusive or background sound: an undertone of static from the receiver. 3. an underlying quality or element; undercurrent: There was an undertone of regret in his refusal. 4. a subdued color; a color modified by an underlying color. noun 1. a quiet […]