Definition, Meaning & Synonyms | English word BLOCK

---

Definitions of BLOCK

1. A substantial, often approximately cuboid, piece of any substance.
2. A physical area or extent of something, often rectangular or approximately rectangular.
3. A logical extent or region; a grouping or apportionment of like things treated together as a unit.
4. A contiguous group of urban lots of property, typically several acres in extent, not crossed by public streets.
5. Something that prevents something from passing.
6. A surname.
7. A unincorporated community in Champaign County, Illinois, USA.
8. (slang) The human head.
9. (UK) Solitary confinement.
10. (obsolete) A blockhead; a stupid person; a dolt.
11. (transitive) To fill or obstruct (something) so that it is not possible to pass.
12. (transitive) To prevent (something or someone) from passing.
13. (transitive) To prevent (something from happening or someone from doing something).
14. Misspelling of bloc.
15. (transitive, theater) To specify the positions and movements of the actors for (a section of a play or film).
16. (transitive, cricket) To hit with a block.
17. (intransitive, cricket) To play a block shot.
18. (transitive) To bar (a person or bot, etc.) from connecting via telephone, instant messaging, etc., or from accessing an online account or service, or similar.
19. (transitive) To bar (a message or communication), or bar connection with (an online account or service, a designated telephone number, IP address, etc.).
20. (programming, intransitive) To wait for some condition to become true.
21. (transitive) To stretch or mould (a knitted item, a hat, etc.) into the desired shape.
22. (transitive) To shape or sketch out roughly.
23. (transitive, slang, obsolete) To knock the hat of (a person) down over their eyes.
24. A unincorporated community in Miami County, Kansas, USA.
25. A unincorporated community in Campbell County, Tennessee, USA.
26. (intransitive) To experience mental block or creative block.
27. A cuboid or approximately cuboid building.
28. (transitive, sports) To impede (an opponent or opponent’s play).

---

---

---

---

---

---

---

---

---

---

Examples of Using BLOCK in a Sentence

• For AES, NIST selected three members of the Rijndael family, each with a block size of 128 bits, but three different key lengths: 128, 192 and 256 bits.
• This has conventionally been thought of as the first discovery of these shapes, but they may have been known earlier: an unsigned printing block for the net of a hexagonal antiprism has been attributed to Hieronymus Andreae, who died in 1556.
• Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in many cipher suites and encryption products.
• In cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks.
• While bradycardia can result from various pathologic processes, it is commonly a physiologic response to cardiovascular conditioning or due to asymptomatic type 1 atrioventricular block.
• A checksum is a small-sized block of data derived from another block of digital data for the purpose of detecting errors that may have been introduced during its transmission or storage.
• Differential cryptanalysis is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions.
• The system that elects multiple winners at once with the plurality rule and where each voter casts multiple X votes in a multi-seat district is referred to as plurality block voting.
• In a first-order logic system, additional axioms are required to make inferences about the environment (for example, that a block cannot change position unless it is physically moved).
• Most of the new instructions were added to support the additional registers, as well as up to 32-bit math, hardware division, bit manipulations, and block transfers.
• The success and failure of a given block of code is used to direct further processing, whereas conventional languages would typically use boolean logic written by the programmer to achieve the same ends.
• In cryptography, the International Data Encryption Algorithm (IDEA), originally called Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described in 1991.
• The IBM 3270 is a family of block oriented display and printer computer terminals introduced by IBM in 1971.
• Myasthenia gravis is an autoimmune disease of the neuromuscular junction which results from antibodies that block or destroy nicotinic acetylcholine receptors (AChR) at the junction between the nerve and muscle.
• A cavity magnetron generates microwaves using the interaction of a stream of electrons with a magnetic field, while moving past a series of cavity resonators, which are small, open cavities in a metal block.
• Because of the latter, they are involved in a number of psychiatric and neurological diseases, some of which can be treated with monoamine oxidase inhibitors (MAOIs) which block the action of MAOs.
• Later on, those systems running TOPS-20 (on the KL10 PDP-10 processors) were labeled DECSYSTEM-20 (the block capitals being the result of a lawsuit brought against DEC by Singer, which once made a computer called "The System Ten").
• A patterned mask is then applied to the surface to block light, so that only unmasked regions of the material will be exposed to light.
• A sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force.
• Prime-time, or peak-time, is the block of broadcast programming taking place during the middle of the evening for television shows.

Page preparation took: 210.84 ms.