13-Letter Words Containing: T,H,U,R

• the flower of a chrysanthemum plant

• any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated

• provide with headquarters

• one part in a quadrillion equal parts

• the ordinal number of one quadrillion in counting order

• a check that restrains another check

• something that checks the correctness of a previous check

• oppose or check by a counteraction

• check a second time

• a productive insight

• making an important discovery

• a penetration of a barrier such as an enemy's defense