From the meter, several other units of measure are derived such as the: 1  unit of speed is the meter per second (m/s). 2  The speed of light in vacuum is 299 792 458 meters per second. 3  unit of acceleration is the meter per second per second (m/s 2). 4  unit of area is the square meter (m 2).
Learner's definition of HABIT. 1. : a usual way of behaving : something that a person does often in a regular and repeated way. [count] It was his habit to take a nap after dinner every evening. It's important that parents teach their children good study/eating habits.
a. a practice or substance to which a person is addicted: drink has become a habit with him. b. the state of being dependent on something, esp a drug. 6. (Biology) botany zoology the method of growth, type of existence, behaviour, or general appearance of a plant or animal: a climbing habit; a burrowing habit. habit is something that a person does often or regularly. He had a nervous habit of biting his nails. Try to get out of the habit of adding unnecessary salt in cooking. 2. 'custom'. A custom is something that people in a society do at a particular time of year or in a particular situation.