0 past simple and past participle of double --
1 to become twice as much or as many, or to make something twice as much or many: --
Company profits have doubled since the introduction of new technology.
The government aims to double the number of students in higher education within 25 years.
Each word set included four modified spellings with doubled initial consonants, four with doubled final consonants, and four single-consonant spellings.
Error rates were low for these two participants (0 and 2 errors, respectively) and were doubled to simulate having completed both lists.
They point out that kindergartners and first graders have been observed to include doubled letters occasionally when they spell words and pseudowords.
One way to reconcile findings with the theory is to recognize that doubled letters were not only visual but also at least partially graphophonemic.
This means with only a modest increase in spending, our work load has nearly doubled.
These exceptional quality crystals introduce negligible aberration into the frequency doubled beam.
They can be complements of prepositions or appear in coordinated and dislocated/doubled structures and in isolation.
As with race and class, phrenology had a doubled nature when it came to gender and could be understood as both stabilizing and disruptive.
