plural of dialogue tag

(cricket) Synonym of platinum duck (“score of zero runs after getting out on the first ball of a team's innings”)

plural of diamond duck

(economics) A way of visualizing the relationship between the output price ratios, the input price ratios, and the endowment ratio of two goods.

(historical) A kind of astronomical diagram used to tell time in Ancient Egypt.

plural of diagonal calendar

(finance) In derivatives trading, an options spread position having features of both a calendar spread and a vertical spread. It is established by simultaneously buying and selling equal amount of option contracts of the same type (call or put) but with different strike prices and expiration dates.

plural of diagonal spread

(telephony, British spelling) A system of automatic connection of trunk calls through dialling a phone number without operator assistance.

(paleontology) A diagram showing diversity of taxa through time by the thickness of lines, often as part of a cladogram.