In a way that can be perceived.

(inorganic chemistry) Any of a series of compounds containing the largest proportion of carbon

plural of percarbide

plural of percaline

A fine kind of French cotton goods, usually of one colour.

(obsolete) Perchance; perhaps.

(obsolete) Power of perception.

plural of percarburet

(chemistry, obsolete) A percarbide.

Almost all. / (collective) Those who are not part of the ultrarich.