Meanings

floating-point arithmetic unit

railcar with an internal combustion engine

political activity

price movement

extra-curricular activities

diurnal motion

Bright's movement (movement comprised of naturalists, atheists, agnostics, etc.)

thumb wheel

standard-sized automobile

mid-sized vehicle weighing over 8t

business fluctuations

animals designated as dangerous by Japanese law

volcanic activity

(sea) sponges

women's liberationist

rhythm

change of rights

extra-curricular activities

modal verb

specialty magazine