1610s, "contemplative," with -al (1) + Late Latin theoreticus "of or pertaining to theory," from Greek theoretikos "contemplative, speculative, pertaining to theory" (by Aristotle contrasted to praktikos), from theoretos "that may be seen or considered," from theorein "to consider, look at" (see theory). Meaning "pertaining to theory, making deductions from theory not from fact" (opposed to practical) is from 1650s; earlier in this sense was theorical (c. 1500). Meaning "ideal, hypothetical" is from 1790s (implied in theoretically). Related: theoretician.
双语例句
1. Amy discovered that the theoretical and written work came easily to her.
埃米发现理论和笔头作业对她来说十分容易。
来自柯林斯例句
2. There was undeniably a strong theoretical dimension to his thinking.
不可否认，他的思想很有理论深度。
来自柯林斯例句
3. The course is essentially theoretical in orientation.
该课程的目标基本上是理论性的。
来自《权威词典》
4. The first year provides students with a sound theoretical basis for later study.
第一年为学生以后的学习奠定坚实的理论基础。
来自《权威词典》
5. Marxism possesses the theoretical character of keeping pace with the times.
