ETYM Old Eng. doble, duble, double, Old Fren. doble, duble, double, French double, from Latin duplus, from the root of duo two, and perh. that of plenus full; akin to Greek diploos double. Related to Two, and Full, Diploma, Duple.
1. Twice as great or many; SYN. doubled, twofold.
2. Consisting of or involving two parts or components usually in pairs; SYN. dual, duple.
3. Large enough for two.
4. Having two meanings with intent to deceive; SYN. forked.
5. Having more than one decidedly dissimilar aspects or qualities.
6. (Botany; of flowers) Having more than the usual number of petals in crowded or overlapping arrangements. + prikaži više

ETYM Latin dualis, from duo two. Related to Two.
(Homonym: duel).
A grammatical number category referring to two items or units (as opposed to one item (singular) or more than one item (plural)).

ETYM Latin, from duo two + plicare to fold. Related to Two, and Complex.
1. (Telecommunication) Allowing communication in opposite directions simultaneously.
2. (Used technically of a device or process) Having two parts.
Pertaining to simultaneous two-way independent data communication transmission in both direction. Same as full duplex.
Capable of carrying information in both directions over a communications channel. A system is full-duplex if it can carry information in both directions at once; it is half-duplex if it can carry information in only one direction at a time. + prikaži više

ETYM Latin duplicatus, p. p. of duplicare to double, from duplex double, twofold. Related to Duplex.
1. Being two identical; SYN. matching, twin, twinned.
2. Identically copied from an original.

ETYM Old Eng. twin double, as. getwinne two and two, pl., twins; akin to Dutch tweeling a twin, German zwilling, Old High Germ. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to as. twi- two. Related to Twice, Two.
1. Being one of two born at a birth.
2. Being one of a pair much resembling one another.
3. Double; consisting of two similar and corresponding parts. + prikaži više

1. In a twofold manner; SYN. in two ways.
2. To double the degree; SYN. double, twice.

ETYM Old Eng. twies (where the s is the adverbial ending; see -wards), twie, as. twiges, twiwa; akin to twi- (in comp.) two, German zwie-, Old High Germ. zwi-, Icel. tvî-, Latin bi-, Greek di, Skr. dvi-, and Eng. two. Related to Two.
Two times.

By a factor of two; SYN. two times.