chronotropicadj.

Brit.

/ˌkrɒnəˈtrɒpɪk/,

/ˌkrɒnəˈtrəʊpɪk/,

/ˌkrəʊnəˈtrɒpɪk/,

/ˌkrəʊnəˈtrəʊpɪk/, U.S.

/ˌkrɑnəˈtrɑpɪk/,

/ˌkroʊnəˈtrɑpɪk/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chrono- comb. form, -tropic comb. form.

Etymology: < chrono- comb. form + -tropic comb. form, after German chronotrop (T. W. Engelmann 1896, in Arch. f. die gesammte Physiol. 62 555).

Physiology.

Of, relating to, or affecting the rate of muscular contraction, esp. of the heart.

ΚΠ

1898 Proc. Amer. Acad. Arts & Sci. 33 187 The analysis of the dromotropic and of the chronotropic effect of the Vagus upon the different parts of the heart is attended with the greatest difficulties.

1939 Jrnl. Allergy 10 406 One per cent histamine produced marked ionotropic and chronotropic effects in the isolated heart of sensitized rats.

1968 New Eng. Jrnl. Med. 8 Feb. 322/1 A venoconstrictor drug also having positive inotropic and chronotropic effects on the heart would seem to be desirable.

2007 Tulsa (Oklahoma) World (Nexis) 21 Apr. b1 Kinkead also had chronotropic incompetence, which happens when the heart rate is insufficient for a level of activity.

This is a new entry (OED Third Edition, December 2012; most recently modified version published online March 2022).

单词	chronotropic
释义	chronotropicadj. Brit. /ˌkrɒnəˈtrɒpɪk/, /ˌkrɒnəˈtrəʊpɪk/, /ˌkrəʊnəˈtrɒpɪk/, /ˌkrəʊnəˈtrəʊpɪk/, U.S. /ˌkrɑnəˈtrɑpɪk/, /ˌkroʊnəˈtrɑpɪk/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: chrono- comb. form, -tropic comb. form. Etymology: < chrono- comb. form + -tropic comb. form, after German chronotrop (T. W. Engelmann 1896, in Arch. f. die gesammte Physiol. 62 555). Physiology. Of, relating to, or affecting the rate of muscular contraction, esp. of the heart. ΚΠ 1898 Proc. Amer. Acad. Arts & Sci. 33 187 The analysis of the dromotropic and of the chronotropic effect of the Vagus upon the different parts of the heart is attended with the greatest difficulties. 1939 Jrnl. Allergy 10 406 One per cent histamine produced marked ionotropic and chronotropic effects in the isolated heart of sensitized rats. 1968 New Eng. Jrnl. Med. 8 Feb. 322/1 A venoconstrictor drug also having positive inotropic and chronotropic effects on the heart would seem to be desirable. 2007 Tulsa (Oklahoma) World (Nexis) 21 Apr. b1 Kinkead also had chronotropic incompetence, which happens when the heart rate is insufficient for a level of activity. This is a new entry (OED Third Edition, December 2012; most recently modified version published online March 2022). < adj.1898
随便看	to wait wait upon to hand and foot to waive from to waive one's wit to waive the tort to waive up to waive wit to wake a sleeping dog to wake a sleeping hound to wake a sleeping wolf to wake it to wake over to wake snakes to wake to to wake up and smell the coffee to wake up and smell the decaf to wake up and smell the etc to wake up to to wake watch to wale to wale by to walk a chalk-line to walk a chalkline to walk a crack to walk a message through to walk a the like through