12-Letter Words Containing: S,E,R,P,I,G,O,S

• a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)

• take for granted or as a given; suppose beforehand

• require as a necessary antecedent or precondition

• a person given to gossiping and divulging personal information about others

• using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

• inactive precursor of trypsin; a substance secreted by the pancreas and converted to active trypsin by enterokinase in the small intestine

• favoring or promoting progress

• (of taxes) adjusted so that the rate increases as the amount of income increases

• a tense of verbs used in describing action that is on-going

• a person who favors a political philosophy of progress and reform and the protection of civil liberties

• favoring or promoting reform (often by government action)

• gradually advancing in extent

• (of a card game or a dance) involving a series of sections for which the participants successively change place or relative position

• advancing in severity