13-Letter Words Containing: FFER

• the process of bubbling as gas escapes

• the property of giving off bubbles

• with indifference; in an indifferent manner

• an implement with a small cup at the end of a handle; used to extinguish the flame of a candle

• unbiased impartial unconcern

• apathy demonstrated by an absence of emotional reactions

• the trait of lacking enthusiasm for or interest in things generally

• the trait of remaining calm and seeming not to care; a casual lack of concern

• an offer made by someone who has rejected a prior offer

• mark as different

• be a distinctive feature, attribute, or trait; sometimes in a very positive sense

• calculate a derivative; take the derivative

• become different during development

• evolve so as to lead to a new species or develop in a way most suited to the environment

• become distinct and acquire a different character

• relating to or showing a difference

• involving or containing one or more derivatives

• the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx

• a quality that differentiates between similar things

• a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves