Meanings

simple work

single authorship (of a book, paper, etc.)

local labor union

@ sign

mere exposure effect

unconditional acceptance (of an inheritance)

outright majority

single non-transferable vote

single transferable vote

principal ideal

simple hot spring (containing less than one thousand ppm of dissolved minerals)

second-person singular

first-person singular

single-vehicle accident

international unit

stretched pair wait

single pregnancy

single pole

univentricular heart

neuron