| FRUSTULES | • frustules n. Plural of frustule. • FRUSTULE n. the siliceous two-valved shell of a diatom. |
| FULGURANT | • fulgurant adj. Resembling a lightning flash; fulgurous. • FULGURANT adj. flashing like lightning, also FULGOROUS, FULGUROUS. |
| FULGURATE | • fulgurate v. To flash or emit flashes like lightning. • fulgurate v. (Medicine) To cauterize with electricity; to carry out electrofulguration or to electrocauterize. • FULGURATE v. to flash like lightning. |
| FULGURITE | • fulgurite n. Glass formed by a lightning strike melting sand or other material. • FULGURITE n. a vitrified sand tube produced by the striking of lightning on sand. |
| HURTFULLY | • hurtfully adv. In a hurtful manner. • HURTFUL adv. causing injury. |
| RESULTFUL | • resultful adj. Having results or effects. • RESULTFUL adj. having results or effects. |
| RUTHFULLY | • ruthfully adv. (Manner) In a manner that is ruthful… • RUTHFUL adv. full of compassion. |
| SULFURATE | • sulfurate v. (Chemistry) to treat or to combine something with sulfur. • sulfurate v. (Wine) to treat with sulfur compound (usually a sulfite). • sulfurate v. (Rare, agriculture) to spray/dust with sulfur. |
| SULFURETS | • sulfurets n. Plural of sulfuret. • SULFURET v. to treat with sulfur, also SULPHURET. |
| THRUSTFUL | • thrustful adj. Tending to thrust oneself forward; pushy. • THRUSTFUL adj. pushy, assertive. |
| TRUCKFULS | • truckfuls n. Plural of truckful. • TRUCKFUL n. as much as a truck can hold. |
| TRUNKFULS | • trunkfuls n. Plural of trunkful. • TRUNKFUL n. as much as a storage box can hold. |
| UNHURTFUL | • unhurtful adj. Not hurtful. • UNHURTFUL adj. not hurtful. |
| UNRESTFUL | • unrestful adj. Not restful. • UNRESTFUL adj. not restful. |