PERTURBATOR
Per"tur*ba`tor, n.

Defn: A perturber. [R.]

PERTURBED
Per*turbed", a.

Defn: Agitated; disturbed; troubled. Shak.
— Per*turb"ed*ly, adv.

PERTURBER
Per*turb"er, n.

Defn: One who, or that which, perturbs, or cause perturbation.

PERTUSATE
Per*tus"ate, a. Etym: [See Pertuse.] (Bot.)

Defn: Pierced at the apex.

PERTUSE; PERTUSED
Per*tuse", Per*tused", a. Etym: [L. pertusus, p.p. of pertundere to
beat or thrust through, to bore through; per + tundere to beat: cf.
F. pertus. Cf. Pierce.]

Defn: Punched; pierced with, or having, holes.