Definition of Ritalin in English:

Ritalin

noun ˈrɪtəlɪnˈridələn

mass nountrademark

A synthetic drug that stimulates the sympathetic and central nervous systems, used chiefly to improve mental activity in attention deficit disorder.
Also called methylphenidate
Example sentencesExamples
- The presenter had argued he knew several people who were helped by anti-depressants and suggested the drugs, including popular medication Ritalin, could benefit some sufferers.
- There has been a world-wide tendency to define students that have so-called learning difficulties as Attention Deficit Disordered and treat those with psycho-stimulant drugs such as Ritalin.
- Throughout the '90s, the number of kids on mood-altering drugs like Prozac and Ritalin doubled and, in some cases, tripled.
- The Ritalin eliminated the nocturnal hallucinations but they also destroyed Tom's appetite and imagination.
- She had attention-deficit disorder and the Ritalin she took wore off by the time she got home from school.

Origin

1940s: apparently from Rita, the nickname of Marguerite Panizzon, an early tester of the drug and the wife of the Italian-born Swiss chemist Leandro Panizzon, who first synthesized it, + -in.

Definition of Ritalin in US English:

Ritalin

nounˈridələn

trademark

A synthetic drug that stimulates the sympathetic and central nervous systems, used chiefly to improve mental activity in attention deficit disorder.
Also called methylphenidate
Example sentencesExamples
- There has been a world-wide tendency to define students that have so-called learning difficulties as Attention Deficit Disordered and treat those with psycho-stimulant drugs such as Ritalin.
- Throughout the '90s, the number of kids on mood-altering drugs like Prozac and Ritalin doubled and, in some cases, tripled.
- The Ritalin eliminated the nocturnal hallucinations but they also destroyed Tom's appetite and imagination.
- The presenter had argued he knew several people who were helped by anti-depressants and suggested the drugs, including popular medication Ritalin, could benefit some sufferers.
- She had attention-deficit disorder and the Ritalin she took wore off by the time she got home from school.

Origin

1940s: apparently from Rita, the nickname of Marguerite Panizzon, an early tester of the drug and the wife of the Italian-born Swiss chemist Leandro Panizzon, who first synthesized it, + -in.

单词	Ritalin
释义	Definition of Ritalin in English: Ritalin noun ˈrɪtəlɪnˈridələn mass nountrademark A synthetic drug that stimulates the sympathetic and central nervous systems, used chiefly to improve mental activity in attention deficit disorder. Also called methylphenidate Example sentencesExamples The presenter had argued he knew several people who were helped by anti-depressants and suggested the drugs, including popular medication Ritalin, could benefit some sufferers. There has been a world-wide tendency to define students that have so-called learning difficulties as Attention Deficit Disordered and treat those with psycho-stimulant drugs such as Ritalin. Throughout the '90s, the number of kids on mood-altering drugs like Prozac and Ritalin doubled and, in some cases, tripled. The Ritalin eliminated the nocturnal hallucinations but they also destroyed Tom's appetite and imagination. She had attention-deficit disorder and the Ritalin she took wore off by the time she got home from school. Origin 1940s: apparently from Rita, the nickname of Marguerite Panizzon, an early tester of the drug and the wife of the Italian-born Swiss chemist Leandro Panizzon, who first synthesized it, + -in. Definition of Ritalin in US English: Ritalin nounˈridələn trademark A synthetic drug that stimulates the sympathetic and central nervous systems, used chiefly to improve mental activity in attention deficit disorder. Also called methylphenidate Example sentencesExamples There has been a world-wide tendency to define students that have so-called learning difficulties as Attention Deficit Disordered and treat those with psycho-stimulant drugs such as Ritalin. Throughout the '90s, the number of kids on mood-altering drugs like Prozac and Ritalin doubled and, in some cases, tripled. The Ritalin eliminated the nocturnal hallucinations but they also destroyed Tom's appetite and imagination. The presenter had argued he knew several people who were helped by anti-depressants and suggested the drugs, including popular medication Ritalin, could benefit some sufferers. She had attention-deficit disorder and the Ritalin she took wore off by the time she got home from school. Origin 1940s: apparently from Rita, the nickname of Marguerite Panizzon, an early tester of the drug and the wife of the Italian-born Swiss chemist Leandro Panizzon, who first synthesized it, + -in.
随便看	jackstraws jackstrawss jacksy Jack tar jack teagarden Jack the Lad Jack the Ripper jack up jack-up jack up jack up jack-up rig jack-up rig jack weight jack william nicklaus Jacky Jacky Howe jacky jacky Jacky Jacky Jacky lizard Jacky Winter Jacob jacob august riis jacob bronowski Jacobean