21st
271
1.0
- adjective
:
vigésimo primero
- One of the most exciting features of 21st-century technology is the ability to easily collaborate online.
- the 21st century
- 21st-century skills
- 21st-century learners
Examples
-
- Welcome to the 21st century.
-
Demystifying technology helps young people become more effective 21st-century citizens by helping them understand that people ultimately control technology.
Academic text (2011) -
-Welcome to the 21st century.
-
People in the 21st century are conscious that knowledge is the biggest power and weapon.
Academic text (2011) -
Now, in the 21st century, electricity is not a convenience; it is a necessity.
Academic text (2011) -
Discussions with teachers and students are ongoing to show and help them develop 21st-century literacy skills.
Academic text (2011) -
I will ensure that teacher librarians and 21st-century libraries get in the news.
Academic text (2011) -
Remixing is a unique aspect of the Scratch community and an important 21st-century skill.
Academic text (2011) -
The National Education Technology Plan (NETP) focuses on 21st century learning "powered by technology" (2010, p. 4).
Academic text (2011) -
The advancements in communication have defined the 21st century as a time of rapid change.
Synonyms
11
1.0
Number that comes after twenty in a sequence
Surface Forms
Morphology
21st = 21 (transparent) = 21 + st
The suffix 'st' is a standard ordinal suffix for numbers ending in '1'.
Etymology
21St is the ordinal form of twenty-one, made by adding st like in first. It means 'number twenty-one in order', so you use it for places, dates, or anniversaries.