biological

As an adjective biological

is of or relating to biology.

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As an adjective biological is

of or relating to biology.

As an adjective biological

is of or relating to biology.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As an adjective biological

is of or relating to biology.

As a noun step is

stitch.

As adjectives the difference between biological and false

is that biological is of or relating to biology while false is (label) one of two states of a boolean variable; logic.

As an adjective biological

is of or relating to biology.

As a noun weapons is

.

As adjectives the difference between biometrical and biological

is that biometrical is of, or pertaining to biometrics—the measurement of biological data while biological is of or relating to biology.

As an adjective biological

is of or relating to biology.

As a noun hazard is

(historical) a type of game played with dice.

As a verb hazard is

to expose to chance; to take a risk.

As adjectives the difference between biological and natural

is that biological is of or relating to biology while natural is that exists and evolved within the confines of an ecosystem.

As a noun natural is

a native inhabitant of a place, country etc.