About 17,400,000 results
Open links in new tab
  1. Radian - Wikipedia

    The radian, denoted by the symbol rad, is the unit of angle in the International System of Units (SI) and is the standard unit of angular measure used in many areas of mathematics.

  2. RAD Definition & Meaning - Merriam-Webster

    The meaning of RAD is a unit of absorbed dose of ionizing radiation equal to an energy of 100 ergs per gram of irradiated material. How to use rad in a sentence.

  3. Reactive Attachment Disorder (RAD) Symptoms and Treatments

    Oct 27, 2025 · Reactive attachment disorder, also known as RAD, is a mood or behavioral disorder that affects babies and children. RAD symptoms include difficulty with bonding and …

  4. Understanding Reactive Attachment Disorder: Symptoms, Causes, …

    Jul 30, 2025 · What is Reactive Attachment Disorder? Reactive Attachment Disorder (RAD) is a complex and often misunderstood condition that affects children who have experienced severe …

  5. Radian - Math.net

    Thus, "rad" is very rarely used to indicate that an angle measure is in radians. Rather than writing "1 rad," a radian is most typically written as simply "1" and an angle measure that doesn't …

  6. Reactive Attachment Disorder (RAD): Diagnosis, Cause, And

    Dec 15, 2025 · RAD refers to a condition where children cannot or find it difficult to develop healthy emotional attachments or connections with their parents or primary caregiver. A child …

  7. Radian - Formula, Definition | Radians and Degrees - Cuemath

    Radian is denoted by "rad" or using the symbol "c" in the exponent. If an angle is written without any units, then it means that it is in radians. Angles are most or generally measured in radians …

  8. RAD definition and meaning | Collins English Dictionary

    Rad means very good, cool, or exciting. Everyone walks around looking rad all day, drinking coffee and working on a script. I'll miss those guys. They were totally rad. Their mission is to …

  9. Reactive attachment disorder - Wikipedia

    Reactive attachment disorder (RAD) is an attachment disorder characterized by markedly disturbed and developmentally inappropriate ways of relating socially in most contexts.

  10. Radian -- from Wolfram MathWorld

    Dec 3, 2025 · Radians are the most useful angular measure in calculus because they allow derivative and integral identities to be written...