| emerald | (noun) the green color of an emerald | - |
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| (noun) a transparent piece of emerald that has been cut and polished and is valued as a precious gem | - |
| (noun) a green transparent form of beryl; highly valued as a gemstone | - |
| furfuraldehyde | (noun) a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent | Synonyms: furfural |
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| glyceraldehyde | (noun) a sweet crystalline aldehyde formed by the breakdown of sugars | Synonyms: glyceric aldehyde |
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| herald | (noun) something that precedes and indicates the approach of something or someone | Synonyms: forerunner, harbinger, precursor, predecessor |
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| (noun) (formal) a person who announces important news | Synonyms: trumpeter |
| (verb) foreshadow or presage | Synonyms: announce, annunciate, foretell, harbinger |
| (verb) praise vociferously | Synonyms: acclaim, hail |
| (verb) greet enthusiastically or joyfully | Synonyms: hail |
| heralded | (adjective) proclaimed | - |
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| heraldic | (adjective) of or relating to heraldry | Synonyms: heraldist |
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| (adjective) indicative of or announcing something to come | - |
| heraldist | (adjective) of or relating to heraldry | Synonyms: heraldic |
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| heraldry | (noun) emblem indicating the right of a person to bear arms | - |
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| (noun) the study and classification of armorial bearings and the tracing of genealogies | - |
| hyperaldosteronism | (noun) a condition caused by overproduction of aldosterone | Synonyms: aldosteronism |
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| paraldehyde | (noun) a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent | Synonyms: ethanal trimer |
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| thraldom | (noun) the state of being under the control of another person | Synonyms: bondage, slavery, thrall, thralldom |
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| unheralded | (adjective) without warning or announcement | Synonyms: unannounced, unpredicted |
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