12-Letter Words Containing: _,I,O,S,S,T,T,U

• Any salt or ester of thiosulfuric acid

• Any plant of the genus Pittosporum, various Old World shrubs and trees.

• a diagonal path

• a route shorter than the usual one

• cut using a diagonal line

• According to the World Meteorological Organization, a mid-level, principal cloud type, generally formless and dark grey in colour, which forms from altostratus occurring in layers at the middle altitude of the troposphere (usually above 2400 metres). Nimbostratus usually brings precipitation as the mid-level clouds thicken and subside into the low level of the troposphere. Frontal or cyclonic lift can also carry the top of a deep nimbostratus layer into the high levels of the troposphere. Also classified or characterized as multi-level; abbreviated Ns.

• a person who is deliberately vague

• an arithmetic operation in which the difference between two numbers is calculated

• the act of subtracting (removing a part from the whole)

• any structure that makes progress difficult

• the physical condition of blocking or filling a passage with an obstruction

• something immaterial that stands in the way and must be circumvented or surmounted

• the act of obstructing

• getting in someone's way