(music) The major key with E-flat as its tonic. / (music) The major chord with a root of E-flat.

A black mark left on a road surface from the sliding or skidding tires of a motor vehicle that has lost traction. / Any other mark or stain left on a surface from a sliding or rubbing object.

The mass of an atom. / (proscribed) atomic weight; the average mass of atoms of an element.

The percentage of some market held by a company, country, (sub)sector or any other actor or aggregate.

any unit of volume, or system of such units

(obsolete) Moderation, temperance. / A limit that cannot be exceeded; a bound. (Now chiefly in set phrases.) / An (unspecified) portion or quantity.

To ascertain the quantity of a unit of material via calculated comparison with respect to a standard. / To be of (a certain size), to have (a certain measurement)

More than half (50%) of some group. / The difference between the winning vote and the rest of the votes. / (dated) Legal adulthood, age of majority.

Someone who has control over something or someone. / The owner of an animal or slave. / (nautical) The captain of a merchant ship; a master mariner. / (dated) The head of a household.

Masterful. / Main, principal or predominant. / Highly skilled. / Original.