Whenever you leave your home, walk from one room to another, or enter a building, you are crossing a threshold—that is, the horizontal floor piece that you cross over whenever you move through a …

THRESHOLD definition: 1. the floor of an entrance to a building or room 2. the level or point at which you start to…. Learn more.

THRESHOLD definition: the sill of a doorway. See examples of threshold used in a sentence.

A threshold is an amount, level, or limit on a scale. When the threshold is reached, something else happens or changes.

Also called limen. the point at which a stimulus is of sufficient intensity to begin to produce an effect: the threshold of consciousness; a low threshold of pain.

any point of beginning: He was on the threshold of a new career. Physiology, Psychology the point at which something begins to take effect: Her dream was hovering on the threshold of consciousness.

Feb 2, 2026 · Noun threshold (plural thresholds) The lowermost part of a doorway that one crosses to enter; a sill. Synonyms: doorsill, doorstep (by extension) An entrance; the door or gate of a house.

threshold definition: level at which something starts or changes. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "cross the threshold", "at …

threshold meaning, definition, what is threshold: the entrance to a room or building, or t...: Learn more.

In psychophysics, sensory threshold is the weakest stimulus that an organism can sense. Unless otherwise indicated, it is usually defined as the weakest stimulus that can be detected half the time, …