Background for surds
BeDict Logo

surds

/sɜːdz/

Meanings
noun
An irrational number, especially one expressed using the √ symbol.

Examples :

"In math class, we learned that numbers like √2 and √5 are called surds because they are irrational and written with a square root symbol. "
math number

Related Words

Illustration learned

learned adjective

/ˈlɜːnɪd/ /ˈlɝnɪd/ /lɜːnd/ /lɝnd/

Having much learning, knowledgeable, erudite; highly educated.

"Professor Davies is a learned scholar, renowned for her deep knowledge of ancient history. "

Illustration consonant

consonant noun

/ˈkɒn.sə.nənt/ /ˈkɑn.sə.nənt/

A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel.

"The "k" sound in "kite" is a consonant. "

Illustration voiceless

voiceless adjective

/ˈvɔɪsləs/

Lacking a voice, without vocal sound.

"The voiceless student sat silently in class, unable to speak. "

Illustration produced

produced verb

/pɹəˈdjuːst/ /pɹəˈdust/

To yield, make or manufacture; to generate.

"The factory produced 1000 cars last week. "

Illustration especially

especially adverb

/əˈspɛʃ(ə)li/

(manner) In a special manner; specially.

"My sister is very helpful, especially when it comes to organizing things. "

Illustration examples

examples noun

/ɪɡˈzɑːmpl̩z/ /ɪɡˈzæmpl̩z/

Something that is representative of all such things in a group.

"Here are some examples of different types of birds: robins, eagles, and sparrows. "

Illustration phonetics

phonetics noun

/fəˈnɛtɪks/

The study of the physical sounds of human speech, concerned with the physical properties of speech sounds (phones), and the processes of their physiological production, auditory reception, and neurophysiological perception, and their representation by written symbols.

"My daughter's phonetics class is focusing on how different sounds are produced in various languages. "

Illustration consonants

consonants noun

/ˈkɑnsənənts/ /ˈkɒnsənənts/

A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel.

"The word "cat" has two consonants, "c" and "t", surrounding the vowel "a." "

Illustration irrational

irrational noun

/ɪˈɹæʃ.(ə.)nəl/

A real number that can not be expressed as the quotient of two integers, an irrational number.

"Pi is an irrational number. "

Illustration vibration

vibration noun

/vaɪˈbɹeɪʃən/

The act of vibrating or the condition of being vibrated.

"The vibration of my phone alerted me to a new text message. "

Illustration expressed

expressed verb

/ɛkˈspɹɛst/

To convey or communicate; to make known or explicit.

"Words cannot express the love I feel for him."

Illustration numbers

numbers noun

/ˈnʌmbəz/ /ˈnʌmbɚz/

An abstract entity used to describe quantity.

"Zero, one, −1, 2.5, and pi are all numbers."