A gap, usually the valence band of an insulator or semiconductor, that would normally be filled with one electron. If an electron accelerated by a voltage moves into a gap, it leaves a gap behind it, and in this way the hole itself appears to move through the substance. Even though holes are in fact the absence of a negatively charged particle (an electron), they can be treated theoretically as positively charged particles, whose motion gives rise to electric current.
To go to or occupy in order to claim possession of (land).
In real property, to pass upon or into; of litigation, to file or present to the court—for example, to enter an appearance into the record; of a contract, to enter into it means to sign or execute it. In real property, to pass upon or into; of litigation, to file or present to the court—for example, to enter an appearance into the record; of a contract, to enter into it means to sign or execute it.
Find another word for perforate. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for perforate, like: drill, slit, stab, penetrate, breach, break, gap, hole, pierce, puncture and break.
The inner surface of their cup-shaped mouth is armed with pointed teeth, with which they perforate the integuments of the fish attacked, scraping off particles of the flesh and sucking the blood.
The life-history of Schistostomum haematobium is still unknown, but the difficulty in obtaining developmental stages in any of the numerous intermediate hosts that have been tried suggests that the ciliated larvae may develop directly in man and either gain access to him by the use of impure water for drinking or may perforate his skin when bathing.
A large number of corals, both aporose and perforate, are colonial.
- Solitary or colonial perforate corals, branching, massive, or encrusting.
- Colonial branching or palmate perforate corals, with abundant trabecular coenenchyme.