- 1The fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’.More example sentences
- Other symbols use in chemistry include the Greek letter delta to denote a change in energy levels and an arrow to indicate the direction a reaction proceeds in.
- Casey guessed the next would be delta: phonetic alphabet
- Apparently they don't teach you anything useful, just epsilons and deltas.
- 1.2 [as modifier] The fourth in a series of items, categories, etc.: delta hepatitisMore example sentences
- The study reports the influence of delta infection on the severity of hepatitis B.
- To me it looked like the alpha males on the rampage, and alpha males are always scary to all the gamma and delta males.
- Our results suggest that delta infection may not be very common in Indian patients with HBV-related liver diseases.
- 1.3 (Delta) [followed by Latin genitive] Astronomy The fourth (usually fourth-brightest) star in a constellation: Delta CepheiMore example sentences
- Other bright stars in Canis Major are Adhara (Epsilon Canis Majoris), Mirzam (Beta Canis Majoris), and Wezen (Delta Canis Majoris).
- As a connecting star to Pegasus, it is also known as Delta Pegasi, though this name is rarely used.
- 2A code word representing the letter D, used in radio communication.More example sentences
- Pilot: Regina Tower, (this is) Cessna foxtrot bravo charlie delta (over).
- 3 (also delta connection) A triangular arrangement of electrical three-phase windings.More example sentences
- After the start, the circuit is switched to delta connection and the motor receives the nominal voltage.
- The voltage and current rules for a delta connection must be used when determining line and phase values of voltage current.
- The respective delta connections of each main and additional windings are three delta points,, and of the main winding which are perfectly symmetrical and equidistant from each other.
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Greek, from Phoenician daleth.
- A triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets: the Nile delta [as modifier]: a huge delta system developedMore example sentences
- It and many other old zircons come from metamorphosed sediments deposited in river deltas some 3 billion years ago in what is now southwestern Australia.
- Discriminating between deposits of tidally influenced deltas and tide-dominated coastal mud flats in the rock record is often difficult.
- Innumerable lagoons, lakes, canals, estuaries and the deltas of 44 rivers make up the 900 km of backwater network of the State.
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- Flows may have been storm-triggered or represent hyperpycnal underflows sourced from deltaic distributary channels, indicating the proximity of the coastline.
- Unlike the deltaic, lowland assemblages of the southwestern United States, the Bromacker assemblage contains neither fish nor obligate aquatic tetrapod remains.
- Avery Island is actually a small hill, created in the deltaic wetlands by the upwelling of ancient salt deposits that exist beneath the Mississippi Delta.
mid 16th century: originally specifically as the Delta (of the River Nile), from the shape of the Greek letter (see delta1).