currency sign; currency symbol
rhombus; rhomb; diamond (geometrical shape)
all's right with the world; all is as it should be
different school (e.g. of ikebana)
organic phosphorus; organophosphorus
curtain; hanging; bunting
aluminium hydroxide (aluminum)
motor neuron; motor neurone; motoneuron
periodic table of elements
to redraw (a line); to catch (a cold) again; to consult (a reference) again
sodium sulfate; sodium sulphate