Nouncoal seam; coal bed

Noun, Noun which may take the genitive case particle 'no'monolayer; single layer; single story (storey)

Nounfirst or solo run in a race (grand prix, horse race, etc.)

Nounsingle mounting

Nounshort spear

Nounsingle-mounted gun (naval turret, tank, etc.)

Noun(wheeled) stretcher; gurney

Expressions (phrases, clauses, etc.)doing something on one's own without another's help

Nounsingle-phase alternating current

Nounembedded testing