activity

ac*tiv*i*ty

noun

{bc}the quality or state of being {a_link|active} {bc}behavior or {a_link|actions} of a particular kind

optical activity

noun

{bc}ability of a chemical substance to rotate the plane of vibration of polarized light to the right or left

self-ac*tiv*i*ty

noun

{bc}independent and especially self-determined activity

co*ac*tive

adjective

{bc}acting in concurrence or together

dis*place*ment

noun

{bc}the act or process of {d_link|displacing|displace} {bc}the state of being displaced

bitten by the (activity) bug

idiom

Array