What's the difference between heliometer and instrument?

Heliometer


Definition:

  • (n.) An instrument devised originally for measuring the diameter of the sun; now employed for delicate measurements of the distance and relative direction of two stars too far apart to be easily measured in the field of view of an ordinary telescope.

Example Sentences:

Instrument


Definition:

  • (n.) That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
  • (n.) A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
  • (n.) A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
  • (n.) One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
  • (v. t.) To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.

Example Sentences:

  • (1) For assessment of clinical status, investigators must rely on the use of standardized instruments for patient self-reporting of fatigue, mood disturbance, functional status, sleep disorder, global well-being, and pain.
  • (2) Breast temperatures have been measured by the automated instrumentation called the 'Chronobra' for 16 progesterone cycles in women at normal risk for breast cancer and for 15 cycles in women at high risk for breast cancer.
  • (3) After a review of the technical development and application of staplers from their introduction to the present day, the indications to the use of this instrument in all gastroenterological areas from the oesophagus to the rectum as well as in chest, gynaecological and urological surgery specified.
  • (4) Short-forms of Wechsler intelligence tests have abounded in the literature and have been recommended for use as screening instruments in clinical and research settings.
  • (5) Atrioventricular (AV) delay that results in maximum ventricular filling and physiological mechanisms that govern dependence of filling on timing of atrial systole were studied by combining computer experiments with experiments in the anesthetized dog instrumented to measure phasic mitral flow.
  • (6) The instrument is a definite aid to the surgeon, and does not penalize the time required for surgery.
  • (7) Furthermore, the AMDP-3 scale and its manual constitute a remarkable teaching instrument for psychopathology, not always enough appreciated.
  • (8) But it [Help to Buy] is the right policy instrument to deal with a specific problem."
  • (9) Clinical use of this instrument is no more difficult than conventional immersion ultrasonography.
  • (10) The performance of the instrument was evaluated by undertaking in vitro measurements of the reflectance spectra of blood.
  • (11) Several recommendations, based upon the results of this survey study, the existing literature relevant to the ethical responsibilities of investigators who conduct research with children, and our own experiences with these instruments and populations, are made to assist researchers in their attempts to use these inventories in an ethical manner.
  • (12) Utilizing standardized instruments, family and demographic predictors of general and problem-solving knowledge pertaining to diabetes were identified in 53 newly diagnosed children.
  • (13) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
  • (14) This paper considers the advantages and disadvantages of the instrument together with indications for its use and reviews 118 patients who had 130 oral lesions removed with the CO2 laser.
  • (15) The inflammatory response is active in the embryo midway through incubation and is probably instrumental in protection of the embryo.
  • (16) To examine the possibility of prolongation of the standing times of instrument disinfectants, in vitro tests under high albumin exposure and tests in clinical practice were done.
  • (17) This, too, is a functional technique although the method and instruments are totally different.
  • (18) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
  • (19) Out-patient treatment, instrumentation and postgraduated teaching is dealt with.
  • (20) There is considerable evidence to suggest that intra-alveolar plasminogen activation is instrumental in many aspects of inflammatory lung injury and subsequent tissue repair.