The lowest part or edge of something, especially the part on which it rests or is supported. The base of the statue was made of marble.
A conceptual structure or entity on which something draws or depends. The company's customer base has grown significantly over the past year.
A place used as a center of operations by the armed forces or others; a headquarters. The military base was located near the coast.
In baseball, one of the four stations that must be reached in turn to score a run. The runner slid into second base just in time.
A main or important ingredient to which other things are added. The base of the soup was a rich chicken broth.
A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons. Sodium hydroxide is a common base used in chemical reactions.
The number that is raised to a power in mathematics, or the number of different digits used in a numeral system. In binary, the base is 2.
The part of a word to which affixes are attached; a root or stem. In the word 'redoing', 'do' is the base, while 're-' and '-ing' are affixes.
Lacking higher values or moral principles; ignoble. His base motives were evident when he betrayed his friends for money.
Of low quality or inferior value. The base materials used in the construction led to the building's quick deterioration.
Having or showing little or no honor, courage, or decency; mean-spirited. Her base actions during the competition were criticized by everyone.
Serving as a foundation or starting point; fundamental or underlying. The base layers of the network handle data transmission.