Noun | 1. | ![]() commencement, get-go, offset, outset, showtime, starting time, beginning, start, kickoff, first - the time at which something is supposed to begin; "they got an early start"; "she knew from the get-go that he was the man for her" |
2. | threshold - the smallest detectable sensation aesthesis, esthesis, sensation, sense datum, sense experience, sense impression - an unelaborated elementary awareness of stimulation; "a sensation of touch" absolute threshold - the lowest level of stimulation that a person can detect difference limen, difference threshold, differential limen, differential threshold - the smallest change in stimulation that a person can detect | |
3. | ![]() casing, case - the enclosing frame around a door or window opening; "the casings had rotted away and had to be replaced" door - a swinging or sliding barrier that will close the entrance to a room or building or vehicle; "he knocked on the door"; "he slammed the door as he left" doorsill, doorstep, threshold - the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway entrance, entranceway, entryway, entree, entry - something that provides access (to get in or get out); "they waited at the entrance to the garden"; "beggars waited just outside the entryway to the cathedral" exterior door, outside door - a doorway that allows entrance to or exit from a building wall - an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure; "the south wall had a small window"; "the walls were covered with pictures" | |
4. | ![]() doorway, room access, door, threshold - the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close; "he stuck his head in the doorway" sill - structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure | |
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