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delta is a noun:

  1. The fourth letter of the modern Greek alphabet Δ, δ.
  2. A landform at the mouth of a river where it empties into a body of water.
  3. The letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet.
  4. δ In the IPA, the symbol that represents the voiced dental fricative, the hard th in the English word father; frequently represented by the Icelandic eth (ð).
  5. The symbol Δ.
  6. A small but noticeable effect, compare with epsilon.
    "This will slow the main code path down, but only by delta."
  7. The set of differences between two versions of a file.
    "When you update the file, the system will only save the deltas."
  8. The angle subtended at the center of a circular arc.

Nouns are naming words. They are used to represent a person (soldier, Jamie), place (Germany, beach), thing (telephone, mirror), quality (hardness, courage), or an action (a run, a punch). Learn more →

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What type of word is delta?

As detailed above, 'delta' is a noun. Here are some examples of its usage:
  1. Noun usage: This will slow the main code path down, but only by delta.
  2. Noun usage: When you update the file, the system will only save the deltas.

Unfortunately, with the current database that runs this site, I don't have data about which senses of delta are used most commonly. I've got ideas about how to fix this but will need to find a source of "sense" frequencies. Hopefully there's enough info above to help you understand the part of speech of delta, and guess at its most common usage.

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For those interested in a little info about this site: it's a side project that I developed while working on Describing Words and Related Words. Both of those projects are based around words, but have much grander goals. I had an idea for a website that simply explains the word types of the words that you search for - just like a dictionary, but focussed on the part of speech of the words. And since I already had a lot of the infrastructure in place from the other two sites, I figured it wouldn't be too much more work to get this up and running.

The dictionary is based on the amazing Wiktionary project by wikimedia. I initially started with WordNet, but then realised that it was missing many types of words/lemma (determiners, pronouns, abbreviations, and many more). This caused me to investigate the 1913 edition of Websters Dictionary - which is now in the public domain. However, after a day's work wrangling it into a database I realised that there were far too many errors (especially with the part-of-speech tagging) for it to be viable for Word Type.

Finally, I went back to Wiktionary - which I already knew about, but had been avoiding because it's not properly structured for parsing. That's when I stumbled across the UBY project - an amazing project which needs more recognition. The researchers have parsed the whole of Wiktionary and other sources, and compiled everything into a single unified resource. I simply extracted the Wiktionary entries and threw them into this interface! So it took a little more work than expected, but I'm happy I kept at it after the first couple of blunders.

Special thanks to the contributors of the open-source code that was used in this project: the UBY project (mentioned above), @mongodb and express.js.

Currently, this is based on a version of wiktionary which is a few years old. I plan to update it to a newer version soon and that update should bring in a bunch of new word senses for many words (or more accurately, lemma).

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