Similar words: tactlessness, limitlessness, flightless, carelessness, uselessness, selflessness, homelessness, faithlessness. Meaning: [weɪtlɪsnɪs] 
n. the property of being comparatively small in weight.
n. the property of being comparatively small in weight. 
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31 The results of the experiment indicated that the sand-store are suitable for the Chinese flowering quince with little weightlessness, less reducing sugar and acidity .
32 AIM: To investigate the effect of rotating clinostat simulated weightlessness on the expression of differentiation related substances in rat osteosarcoma osteoblast like cells (ROS17/2.8).
33 In weightlessness, a drop of liquid takes a spherical shape.
34 Conclusion High frequency vibration can counteract the changes in expression of MHC in intrafusal and extrafusal fibers of rats soleus under muscles of rats in simulated weightlessness situation.
35 Stephen G. Bowen of the Navy, a former submariner, and Piers J. Sellers, a British-born astronaut who arranged to carry a piece of bark from Isaac Newton's apple tree into the weightlessness of space.
36 One of the many important aspects of preflight training will be to make sure that passengers are fully prepared for weightlessness, indeed, perhaps not even too excited about it.
37 Conclusion The results provided a reference for strength evaluations in space medicine and space physiology, especially under simulated weightlessness and microgravity.
38 Objective To study the effects of vitamin K on bone metabolize in simulated weightlessness rats.
39 Conclusion The expression level and patterns of MHC in intrafusal fibers of rat soleus muscle changed after simulated weightlessness.
40 NK cell culture system in weightlessness was set up to observe cytotoxicity changes under the circumstances.
41 Objective To study the effects of short - term simulated weightlessness on human vectorcardiogram ( VCG ).sentencedict.com
42 In this machine you can experience the weightlessness of space travel.
43 If you travel into space in a spaceship, you must adjust ( yourself ) to weightlessness.
44 Could people live in the weightlessness of space for that long?
45 The influence of space-flight factors, especially weightlessness on the growth of spirulina flown for 8 days in a recoverable satellite was studied by postflight cultivation.
46 Objective To study changes in ultrastructure of soleus muscle spindle induced by simulated weightlessness in rats.
47 It is showed that small amount of ozone can advance the burning time and the weightlessness time of pulverized coal.
48 Objective To investigate the protective effects of Digoxin on atrioventricular function in rats after simulated weightlessness.
49 Weightlessness or simulated weightlessness has been shown to cause atrophy, reduced functional capacity, and increased fatigue in rat hind limb skeletal muscles.
50 Objective To confirm the tail - suspended rat model for the study of countermeasures against weightlessness.
51 Objective To observe bone mass changes during convalescence after simulated weightlessness.
More similar words: tactlessness, limitlessness, flightless, carelessness, uselessness, selflessness, homelessness, faithlessness, powerlessness, thoughtless, weightlifter, righteousness, weight, brightness, overweight, lose weight, underweight, put on weight, weights and measures, weirdness, callousness, nervousness, seriousness, arduousness, witless, artless, cautiousness, rootless, tactless, restless.