and
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1 joining things together (conj.) A1 Beginneryou use this to join two or more words, ideas, or parts of a sentence together.
a coordinating conjunction used to connect words, phrases, or clauses of equal grammatical rank.
ExampleWe bought some fresh bread and a bottle of milk at the store.
ExampleThe research team collected soil samples and water specimens from several locations across the valley to ensure a diverse data set.
UsageIn a list of three or more items, it usually appears only before the final item.
PitfallI like apples, oranges, and, bananas.I like apples, oranges, and bananas.Do not put a comma after 'and' when listing items.
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2 one thing after another (conj.) A1 Beginneryou use this to show that one action happens after another one.
used to indicate chronological sequence or a progression of events.
ExampleI finished my homework and went straight to bed.
ExampleThe technician calibrated the sensors and immediately began the primary phase of the experiment to capture the initial reaction.
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3 showing a result (conj.) B1 Intermediateyou use this to show that the second part of a sentence happens because of the first part.
used to introduce a clause that expresses a consequence or result of the preceding statement.
ExampleWork hard and you will pass the exam.
ExampleMaintain a consistent exercise regimen and you will likely observe significant improvements in your cardiovascular health over the coming months.
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4 to do something (conj.) A2 Elementary Informalused after verbs like 'go', 'come', or 'try' instead of 'to'.
serves as a substitute for the infinitive marker 'to' after specific verbs of motion or effort.
ExamplePlease try and be on time for the meeting tomorrow.
ExampleI will go and check the inventory levels in the warehouse before we finalize the purchase order.
UsageCommonly follows 'go', 'come', 'try', or 'wait'.
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5 logical operator (n.) B2 Upper Intermediate Technical Matha rule in math or computers where a result is only true if two things are both true.
a logical operator that yields a true value only if all its operands are true.
ExampleThe computer uses an AND gate to process these two signals.
ExampleThe conditional statement requires an AND operator to ensure that both the user credentials and the security token are valid before granting access.
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6 music rhythm (n.) B2 Upper Intermediate Musicthe second half of a beat in music.
the weak part of a beat, often represented as the 'offbeat' in a simple meter.
ExampleThe drummer hits the cymbal on the and of beat four.
ExampleThe syncopated rhythm requires the pianist to emphasize the and of the second beat, creating a distinctive jazz feel.
Teacher's tipMusicians often count 'one-and-two-and' to keep track of eighth notes.
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7 to combine logically (v.) C1 Advanced Technical Computingto join two computer values using a logical rule.
to perform a bitwise or logical conjunction on two or more values.
ExampleYou need to and these two binary strings to get the mask.
ExampleThe processor will and the incoming bitmask with the status register to determine if the interrupt flag has been triggered.
Etymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂énti Proto-Germanic *andi Old English and Middle English and English and Inherited from Middle English and, an, from Old English and, ond, end, from Proto-West Germanic andi, from Proto-Germanic andi, anþi, from Proto-Indo-European h₂énti (“facing opposite, near, in front of, before”). Cognate with Scots an (“and”), North Frisian än (“and”), Saterland Frisian un (“and”), West Frisian en (“and”), Dutch en, ende (“and”), German und (“and”), German Low German on, un (“and”), Luxembourgish an (“and”), Vilamovian an, ana (“and”), Yiddish און (un), אונ (un), אונד (und), אונ׳ (un', “and”), Danish end (“still; ever; even”), Faroese enn (“still, yet”), Icelandic en (“and”), enn (“still, yet”), Norwegian Bokmål enn (“and”), Norwegian Nynorsk en, enn (“and”), Swedish än (“still, yet”), Albanian edhe (“and”) (dialectal ênde, ênne), ende (“still, yet, therefore”), Latin ante (“opposite, in front of”), Ancient Greek ἀντί (antí, “opposite, facing”). Doublet of an ("if").
Inherited from Middle English ande, from Old English anda (“grudge, enmity, malice, envy, hatred, anger, zeal, annoyance, vexation; zeal; injury, mischief; fear, horror”) and Old Norse andi (“breath, wind, spirit”); both from Proto-Germanic anadô (“breath, anger, zeal”), from Proto-Indo-European h₂enh₁- (“to breathe, blow”). Cognate with German Ahnd, And (“woe, grief”), Danish ånde (“breath”), Swedish anda, ande (“spirit, breath, wind, ingenuity, intellect”), Icelandic andi (“spirit”), Albanian ëndë (“pleasure, delight”), Latin animus (“spirit, soul”). Related to onde.
Inherited from Middle English anden, from Old English andian (“to be envious or jealous, envy”) and Old Norse anda (“to breathe”); both from Proto-Germanic *anadōną (“to breathe, sputter”). Cognate with German ahnden (“to avenge, punish”), Danish ånde (“to breathe”), Swedish andas (“to breathe”), Icelandic anda (“to breathe”). See above.