singlet

aluspaita puhekieltä A vest; a sleeveless garment with a low-cut neck, often worn underneath a shirt.
1949, George Orwell, Nineteen Eighty-Four, p28,

Winston wrenched his body out of bed — naked, for a member of the Outer Party received only 3,000 clothing coupons annually, and a suit of pyjamas was 600 — and seized a dingy singlet and a pair of shorts that were lying across a chair.

The semiotics of the singlet - immediately identifiable in Australia, especially in its usual shade of blue, with male manual labourers16 - underlines the contrast between the effete fakery of ballroom costumes and real masculinity to be found underneath or in the world of folk dancing.

However, even in the latter he wears a blue singlet to help remind the audience of his working-class roots.

Women wear dresses, cropped trousers and vests with lightweight linen jackets and you will find men in anything from a business suit to a pair of stubbies (very short shorts) and a singlet top (white vest) or knee-length cargo trousers.

When a ground state molecule absorbs a photon, the values of the electron spins are not altered and thus the primary excited state is the singlet state.

However, even if it were possible to supply benzophenone with radiation of the appropriate wavelength to produce the second excited singlet state of the molecule, this singlet would rapidly convert to the lowest singlet state (S1).