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| ashen2 |
of or pertaining to the ash tree. [2 definitions] |
| bentonite |
either of two clays that are formed by the decomposition of volcanic ash, and that are very absorptive and capable of expanding to several times their normal volume. |
| bone china |
a fine type of white porcelain produced by mixing bone ash or calcium phosphate with the clay. |
| calcium carbonate |
a white crystalline compound found in chalk, limestone, marble, shells, and plant ash that is used in the manufacture of cement, paints, plastics, and polishing agents such as toothpaste. |
| calx |
the crumbly ash remaining after a metal or mineral has undergone controlled heating. |
| carbon |
the carbon ash that results when wood or other organic matter is burned in the presence of little or no air; charcoal or soot. [1/7 definitions] |
| dottle |
the residue of partially burnt tobacco or ash left in a pipe bowl after smoking. |
| fly ash |
fine, often airborne particles of ash derived from the burning of solid fuel and recognized as a factor in air pollution. [2 definitions] |
| glasswort |
any of several fleshy plants that are found in salt marshes or the like, having succulent stems and scalelike leaves, the ash of which was formerly used in making glass. |
| Lent |
the forty weekdays from Ash Wednesday to Easter, observed by Christians as a period of fasting, penitence, and other self-denial. |
| manna |
a substance exuded by the Eurasian ash tree and related plants, formerly used as a laxative. [1/3 definitions] |
| rowan |
a small mountain ash, native to Europe, that bears clusters of white flowers and red berries. [2 definitions] |
| Shrovetide |
the three days preceding Ash Wednesday. |
| Shrove Tuesday |
the day before Ash Wednesday, the first day of Lent, when pancakes are traditionally eaten in the UK. |
| sodium carbonate |
a grayish-white powder, the anhydrous sodium salt of carbonic acid, used in the manufacture of glass, ceramics, soap, and sodium salts, and in bleaching and water treatment; soda ash. [1/2 definitions] |
| sorbic acid |
a white crystalline solid, found in the berries of the mountain ash or synthesized, used as a food preservative and fungicide and in drying oils. |
| tufa |
a rock formed from volcanic ash; tuff. [1/2 definitions] |
| tuff |
a kind of rock formed by the compacting of volcanic ash of varying coarseness. |
| volcano |
a vent in the earth's crust through which molten rock, ash, gases, and the like are expelled. [1/2 definitions] |
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