(n.) The recrement of metals in fusion, or the slag rejected after the reduction of metallic ores; dross.
(n.) Cellular slaggy lava; volcanic cinders.
Example Sentences:
(1) Scoria (volcanic cinder) was most effective in excluding roots of crested wheatgrass and streambank wheatgrass.
Tuff
Definition:
(n.) Same as Tufa.
Example Sentences:
(1) At Bandelier national monument , tucked deep inside Frijoles Canyon, ancient Puebloan people used hand tools to shape natural caves in the tuff into shelters known as cavates.
(2) Isotopic determinations on a tuff below the fossiliferous horizon gives dates of 4.96 my and 5.25 my.
(3) While talking an assailant into surrendering may not always be an option, the fact that Tuff successfully did so is a testament to the fact that violence does not always have to be the first answer and that tragic situations can be resolved without the use of force.
(4) Antoinette Tuff, a school clerk at the Ronald E McNair Discovery Learning Academy in Decatur, Georgia, saw 20-year-old Brandon Michael Hill enter the school with an assault rifle and several other weapons.
(5) Photograph: Dan Tuffs for the Guardian We had a really nice house and fields of tomatoes [in Mexico] but it was so unsafe Luis Galvan Galvan’s Daca permission expires next year.
(6) I think cars have an extraordinary opportunity for cool design.” Wheego A US company that was spun out of Ruff & Tuff Electric Vehicles, a manufacturer of recreational electric vehicles such as golf carts.
(7) The white cliffs, hoodoos and slot canyon are all made of of volcanic tuff that erupted around a million years ago.
(8) The hominid tracks in Tuff 7 at Site G in the Garusi River Valley demonstrate bipedality at a mid-Pliocene datum.
(9) Bimesaraic arteriography may show typical images where extravasation of contrast medium is associated with vascular tuft or "tuff".
(10) Over time, this ash layer solidified into a soft, easily eroded, whitish rock called tuff.
(11) Around 30m years ago, rhinos, camels, giant ground sloths and saber-toothed cats roamed a lush grassland before being buried by a series of volcanic eruptions, which preserved their bones in colourful layers of tuff.
(12) Instead of resorting to violence, the school implemented its evacuation procedures and Tuff engaged Hill in a conversation .
(13) Antoinette Tuff showed us it can be done another way, and we need to follow her lead.
(14) Ultrastructurally 4 basic types of inclusion bodies in Schwann cells could be demonstrated (pleo-morphic "zebra body"-like inclusions, double-lamellated inclusions, "tuff-stone"-like inclusions, granular osmiophilic inclusions).
(15) Epidemiological and environmental surveys in the Cappadocian region of Turkey have linked the high incidence of pleural and peritoneal mesothelioma in the occupants of some villages with the zeolite fibres released from the locally occurring volcanic tuff.
(16) Photograph: Dan Tuffs for the Guardian In the midst of a prolonged drought, vegetable and fruit growers are angry that rivers are allowed to carry more of their water out to sea to help preserve an endangered fish, the delta smelt, while water for irrigation is in effect rationed.
(17) Photograph: Dan Tuffs for the Guardian If Galvan is afraid of being forced out of the country, Jenny Beard is fearful of staying.
(18) Photograph: Dan Tuffs for the Guardian Luis Galvan gets why a lot of people in Porterville voted for Trump even if he thinks they are mistaken.
(19) Photograph: Dan Tuffs for the Guardian Beard complained and the co-worker was reprimanded.
(20) Photograph: Dan Tuffs for the Guardian Maddox and Galvan live in Porterville, a small, conservative city nestled under the Sierra Nevada mountains, far from the prosperity and glamour of California’s coast.