1. The act of developing or the state of being developed, as:
a. The application of techniques or technology to the production of new goods or services.
b. The business of constructing buildings or otherwise altering land for new uses.
2. A significant event, occurrence, or change: a news story covering the latest developments in the scandal.
3. A group of dwellings built by the same contractor: bought a condo in a new development built by the river.
4. The organized activity of soliciting donations or grants; fundraising.
a. Elaboration of a theme with rhythmic and harmonic variations.
b. The central section of a movement in sonata form, in which the theme is elaborated and explored.
de·vel′op·mental (-mĕntl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.